tacrolimus - Medication Listings

Tacrolimus, previously known as FK506, is the active ingredient in tacrolimus capsules. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis. Chemically, tacrolimus is designated as [3 S -[3 R *[ E (1 S*, 3 S*, 4 S* )],4 S*, 5 R*, 8 S*, 9 E, 12 R* ,14 R*, 15 S*, 16 R*, 18 S*, 19 S*, 26 aR* ]]-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus has a molecular formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus appears as white crystals or crystalline powder. It is practically insoluble in water, freely soluble in ethanol, and very soluble in methanol and chloroform. Tacrolimus capsules, USP are available for oral administration containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus. In addition, each capsule contains the following inactive ingredients: croscarmellose sodium, hypromellose, lactose monohydrate, and magnesium stearate. The tacrolimus capsule shell for 0.5 mg strength consists of gelatin, titanium dioxide and yellow iron oxide. The tacrolimus capsule shell for 1 mg strength consists of black iron oxide, gelatin, red iron oxide, titanium dioxide, and yellow iron oxide. The tacrolimus capsule shell for 5 mg strength consists of red iron oxide, gelatin, and titanium dioxide. Tacrolimus capsules, USP 0.5 mg, 1 mg and 5 mg are printed with edible black ink. The black ink is comprised of ammonia, black iron oxide, butyl alcohol, potassium hydroxide, propylene glycol, and shellac. USP Dissolution test 2 and Organic Impurities procedure 2 used.

Tacrolimus ointment contains tacrolimus, a macrolide immunosuppressant produced by Streptomyces tsukubaensis . It is for topical dermatologic use only. Chemically, tacrolimus is designated as [3 S -[3 R *[ E (1 S *,3 S *,4 S *)],4 S *,5 R *,8 S *,9 E ,12 R *,14 R *,15 S *,16 R *,18 S *,19 S *,26a R *]]-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10, 12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1- c ][1,4] oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone,monohydrate. It has the following structural formula: Tacrolimus has an empirical formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Each gram of tacrolimus ointment contains (w/w) either 0.03% or 0.1% of tacrolimus in a base of mineral oil, paraffin, propylene carbonate, white petrolatum and white wax. structure

Tacrolimus ointment contains tacrolimus, a macrolide immunosuppressant produced by Streptomyces tsukubaensis . It is for topical dermatologic use only. Chemically, tacrolimus is designated as [3 S- [3 R * [ E (1 S * ,3 S * ,4 S * )],4 S * ,5 R * ,8 S * ,9 E ,12 R * ,14 R * ,15 S * ,16 R * ,18 S * ,19 S * ,26a R * ]]-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1- c ][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. It has the following structural formula: Tacrolimus has a molecular formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Each gram of tacrolimus ointment contains (w/w) either 0.03% or 0.1% of tacrolimus in a base of mineral oil, paraffin, propylene carbonate, white petrolatum and white wax. Structural Formula

Tacrolimus, previously known as FK506, is the active ingredient in Tacrolimus capsules. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis . Chemically, tacrolimus is designated as [3 S -[3 R * [E(1 S *,3 S *,4 S *)], 4 S *,5 R *,8 S *, 9 E ,12 R *,14 R *,15 S *,16 R *,18 S *,19 S *,26a R *]]5,6,8,11,12,13,14,15,16, 17,18, 19,24, 25,26, 26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1- c ][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus has an empirical formula of C 44 H 69 NO 12 ●H 2 O and a formula weight of 822.03. Tacrolimus appears as white crystals or crystalline powder. It is practically insoluble in water, freely soluble in ethanol, and very soluble in methanol and chloroform. Tacrolimus is available for oral administration as capsules (tacrolimus capsules USP) containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus USP. Inactive ingredients include croscarmellose sodium NF, hypromellose USP, lactose monohydrate NF, and magnesium stearate NF. The 0.5 mg capsule shell contains, FD & C Blue 1, FD & C Red 40, gelatin NF and titanium dioxide USP, the 1 mg capsule shell contains FD & C Blue 1, gelatin NF, iron oxide yellow and titanium dioxide USP, and the 5 mg capsule shell contains D & C Red 28, D & C Yellow 10, FD & C Blue 1, gelatin NF, and titanium dioxide USP. structure-tacrolimus

Tacrolimus, previously known as FK506, is the active ingredient in tacrolimus capsules. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis. Chemically, tacrolimus is designated as (‒)-(3S,4R,5S,8R,9E,12S,14S,15R,16S,18R,19R,26aS)-8-Allyl-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[(E)-2-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-1-methylvinyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-15,19-epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone monohydrate. The chemical structure of tacrolimus is: Tacrolimus has a molecular formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus, USP appears as a white to off-white powder. It is insoluble in water, very soluble in ethanol, and soluble in methanol and chloroform. Tacrolimus capsules, USP are available for oral administration as capsules containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus. Inactive ingredients include anhydrous lactose, black iron oxide, colloidal silicon dioxide, croscarmellose sodium, gelatin, hypromellose, lactose monohydrate, magnesium stearate, sodium lauryl sulfate, titanium dioxide and yellow iron oxide. The 0.5 mg capsules also contain D&C Red No. 28, D&C Yellow No. 10 and FD&C Red No. 40, the 1 mg capsules also contain FD&C Blue No. 1 and FD&C Red No. 3 and the 5 mg capsules also contain D&C Red No. 33, D&C Red No. 28 and D&C Yellow No. 10. In addition, the black imprinting ink contains black iron oxide, D&C Yellow No. 10 Aluminum Lake, FD&C Blue No. 1 Aluminum Lake, FD&C Blue No. 2 Aluminum Lake, FD&C Red No. 40 Aluminum Lake, propylene glycol and shellac glaze. Meets USP Dissolution Test 5. Tacrolimus Structural Formula

Tacrolimus, previously known as FK506, is the active ingredient in Tacrolimus capsules, USP. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis. Chemically, tacrolimus is designated as [3S-[3R*[E(1S*,3S*,4S*)],4S*,5R*,8S*,9E,12R*,14R*,15S*,16R*,18S*,19S*,26aR*]]-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H- pyrido[2,1-c][1,4] oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus has an empirical formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus appears as white crystals or crystalline powder. It is practically insoluble in water, freely soluble in ethanol, and very soluble in methanol and chloroform. Meets USP Organic Impurities Procedure number 2. Tacrolimus is available for oral administration as capsules (tacrolimus capsules, USP) containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus USP. Inactive ingredients include anhydrous lactose, croscarmellose sodium, hypromellose, and magnesium stearate. The 0.5 mg capsule shell contains gelatin, iron oxide yellow, sodium lauryl sulfate (SLS) and titanium dioxide, the 1 mg capsule shell contains gelatin, sodium lauryl sulfate (SLS), titanium dioxide and the 5 mg capsule shell contains gelatin, iron oxide red, sodium lauryl sulfate (SLS)and titanium dioxide. Tacro-structure

Tacrolimus, previously known as FK506, is the active ingredient in Tacrolimus Capsules, USP. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis . Chemically, tacrolimus is designated as [3S[3R*[E(1S*,3S*,4S*)], 4S*, 5R*, 8S*, 9E, 12R*, 14R*, 15S*, 16R*, 18S*,19S*,26aR*]] -5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1-c][1,4] oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus has an empirical formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus appears as white crystals or crystalline powder. It is practically insoluble in water, freely soluble in ethanol, and very soluble in methanol and chloroform. Tacrolimus Capsules, USP is available for oral administration as capsules containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus USP. Inactive ingredients include anhydrous lactose NF DT, hypromellose USP, croscarmellose sodium NF, and magnesium stearate NF. The 0.5 mg capsule shell contains gelatin, titanium dioxide, and yellow iron oxide, and the 1 mg capsule shell contains gelatin and titanium dioxide, and the 5 mg capsule shell contains gelatin, titanium dioxide and red iron oxide. Non-volatile components of the ink are Shellac Glaze, Iron Oxide Red, and Simethicone USP. USP Dissolution Test 6 is used. USP Organic Impurities Procedure 2 is used. Structure

Tacrolimus, previously known as FK506, is the active ingredient in Tacrolimus capsules USP. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis . Chemically, tacrolimus is designated as [3 S -[3 R *[ E (1 S *,3 S *,4 S *)],4 S *,5 R *,8 S *,9 E ,12 R *,14 R *,15 S *,16 R *,18 S *,19 S *,26a R *]]-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1- c ][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus has an empirical formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus appears as white crystals or crystalline powder. It is practically insoluble in water, freely soluble in ethanol, and very soluble in methanol and chloroform. Tacrolimus is available for oral administration as capsules (tacrolimus capsules USP) containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus USP. In addition, each capsule contains the following inactive ingredients: croscarmellose sodium, hypromellose, anhydrous lactose and magnesium stearate. The tacrolimus capsule shell for 0.5 mg strength consists of gelatin, titanium dioxide and yellow iron oxide. The tacrolimus capsule shell for 1 mg strength consists of gelatin and titanium dioxide. The tacrolimus capsule shell for 5 mg strength consists of red iron oxide, gelatin, and titanium dioxide. Tacrolimus Capsules USP, 0.5 mg, 1 mg and 5 mg are printed with edible black ink. The black ink is comprised of shellac, propylene glycol, strong ammonia solution, black iron oxide and potassium hydroxide. Tacrolimus Capsules, USP meets USP Dissolution Test 8. image

Tacrolimus USP, previously known as FK506, is the active ingredient in tacrolimus capsules USP. Tacrolimus USP is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis . Chemically, tacrolimus USP is designated as [3S-[3R*[E(1S*,3S*,4S*)], 4S*,5R*,8S*,9E,12R*,14R*,15S*,16R*,18S*,19S*,26aR*]] -5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus USP has an molecular formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus USP appears as white to off white granular powder. It is practically insoluble in water, freely soluble in methanol, ethanol, acetone, ehyl acetate, chloroform. Tacrolimus USP is available for oral administration as capsules containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus, USP. Inactive ingredients include croscarmellose sodium, lactose monohydrate and magnesium stearate. The 0.5 mg capsule shell contains gelatin, iron oxide red, iron oxide yellow and titanium dioxide, the 1 mg capsule shell contains gelatin and titanium dioxide and the 5 mg capsule shell contains gelatin, iron oxide red, iron oxide black, and titanium dioxide. Tacrolimus Capsules meets USP Organic Impurities Test Procedure 2. structure

Tacrolimus, previously known as FK506, is the active ingredient in tacrolimus capsules. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis. Chemically, tacrolimus is designated as (‒)-(3S,4R,5S,8R,9E,12S,14S,15R,16S,18R,19R,26aS)-8-Allyl-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[(E)-2-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-1-methylvinyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-15,19-epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone monohydrate. The chemical structure of tacrolimus is: Tacrolimus has a molecular formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus, USP appears as a white to off-white powder. It is insoluble in water, very soluble in ethanol, and soluble in methanol and chloroform. Tacrolimus capsules, USP are available for oral administration as capsules containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus. Inactive ingredients include anhydrous lactose, black iron oxide, colloidal silicon dioxide, croscarmellose sodium, gelatin, hypromellose, lactose monohydrate, magnesium stearate, sodium lauryl sulfate, titanium dioxide and yellow iron oxide. The 0.5 mg capsules also contain D&C Red No. 28, D&C Yellow No. 10 and FD&C Red No. 40, the 1 mg capsules also contain FD&C Blue No. 1 and FD&C Red No. 3 and the 5 mg capsules also contain D&C Red No. 33, D&C Red No. 28 and D&C Yellow No. 10. In addition, the black imprinting ink contains black iron oxide, D&C Yellow No. 10 Aluminum Lake, FD&C Blue No. 1 Aluminum Lake, FD&C Blue No. 2 Aluminum Lake, FD&C Red No. 40 Aluminum Lake, propylene glycol and shellac glaze. Meets USP Dissolution Test 5. Tacrolimus Structural Formula

Tacrolimus, USP previously known as FK506, is the active ingredient in Tacrolimus Capsules, USP. Tacrolimus, USP is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis . Chemically, tacrolimus, USP is designated as (-)-(3 S ,4 R ,5 S ,8 R ,9 E ,12 S ,14 S ,15 R ,16 S ,18 R ,19 R ,26a S )-8-Allyl-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[( E )-2-[(1 R ,3 R ,4 R )-4-hydroxy-3-methoxy cyclohexyl]-1-methylvinyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-15,19-epoxy-3 H -pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4 H ,23 H )-tetrone,monohydrate. The chemical structure of tacrolimus, USP is: Tacrolimus, USP has an empirical formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03 g/mol. Tacrolimus, USP appears as white to off-white powder. It is soluble in acetone, chloroform and ethyl acetate; insoluble in water. Tacrolimus Capsules, USP are available for oral administration as capsules containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus, USP. Inactive ingredients include croscarmellose sodium, hypromellose, lactose monohydrate, and magnesium stearate. The 0.5 mg capsule shell contains D&C Yellow 10, FD&C Red 40, FD&C Blue 1, gelatin, shellac, sodium hydroxide, povidone and titanium dioxide. The 1 mg capsule shell contains FD&C Red 40, gelatin, shellac, sodium hydroxide, povidone and titanium dioxide. The 5 mg capsule shell contains gelatin, D&C Yellow 10, FD&C Blue 1, FD&C Red 40, potassium hydroxide, shellac and titanium dioxide. FDA approved dissolution test specifications differ from USP. image-01.jpg

Tacrolimus Capsules, USP are available for oral administration as capsules containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus USP. Inactive ingredients include anhydrous lactose NF DT, hypromellose USP, croscarmellose sodium NF, and magnesium stearate NF. The 0.5 mg capsule shell contains gelatin, titanium dioxide and yellow iron oxide, the 1 mg capsule shell contains gelatin and titanium dioxide, and the 5 mg capsule shell contains gelatin, titanium dioxide and red iron oxide. Non-volatile components of the ink are Shellac Glaze, Iron Oxide Red, and Simethicone USP. Tacrolimus USP, previously known as FK506, is the active ingredient in tacrolimus capsules, USP. Tacrolimus is a macrolide immunosuppressant produced by Streptomyces tsukubaensis. Chemically, tacrolimus is designated as [3S [3R* [E (1S*, 3S* 4S*)], 4S*, 5R*, 8S*, 9E, 12R* 14R* 15S* 16R* 18S* 19S* 26aR*]] -5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1-c][1,4] oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus has an empirical formula of C 44 H 69 NO 12 •H2O and a formula weight of 822.03. Tacrolimus appears as white crystals or crystalline powder. It is practically insoluble in water, freely soluble in ethanol, and very soluble in methanol and chloroform. USP Dissolution Test 6 is used. USP Organic Impurities Procedure 2 is used. chemicalstructure

Tacrolimus, previously known as FK506, is the active ingredient in tacrolimus capsules. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis. Chemically, tacrolimus is designated as [3 S -[3 R *[ E (1 S*, 3 S*, 4 S* )],4 S*, 5 R*, 8 S*, 9 E, 12 R* ,14 R*, 15 S*, 16 R*, 18 S*, 19 S*, 26 aR* ]]-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus has a molecular formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus appears as white crystals or crystalline powder. It is practically insoluble in water, freely soluble in ethanol, and very soluble in methanol and chloroform. Tacrolimus capsules, USP are available for oral administration containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus. In addition, each capsule contains the following inactive ingredients: croscarmellose sodium, hypromellose, lactose monohydrate, and magnesium stearate. The tacrolimus capsule shell for 0.5 mg strength consists of gelatin, titanium dioxide and yellow iron oxide. The tacrolimus capsule shell for 1 mg strength consists of black iron oxide, gelatin, red iron oxide, titanium dioxide, and yellow iron oxide. The tacrolimus capsule shell for 5 mg strength consists of red iron oxide, gelatin, and titanium dioxide. Tacrolimus capsules, USP 0.5 mg, 1 mg and 5 mg are printed with edible black ink. The black ink is comprised of ammonia, black iron oxide, butyl alcohol, potassium hydroxide, propylene glycol, and shellac. USP Dissolution test 2 and Organic Impurities procedure 2 used. chemical structure

Tacrolimus, previously known as FK506, is the active ingredient in tacrolimus capsules. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis . Chemically, tacrolimus is designated as [3 S -[3 R *[ E (1 S *,3 S *,4 S *)], 4 S *,5 R *,8 S *,9 E ,12 R *,14 R *,15 S *,16 R *,18 S *,19 S *,26a R *]]-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1- c ][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus has an empirical formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus appears as white crystals or crystalline powder. It is practically insoluble in water, freely soluble in ethanol, and very soluble in methanol and chloroform. Tacrolimus capsules, USP are available for oral administration containing 0.5 mg, 1 mg or 5 mg of tacrolimus. Inactive ingredients include lactose monohydrate, hypromellose E5, croscarmellose sodium, and magnesium stearate. The 0.5 mg capsule shell contains gelatin, titanium dioxide, iron oxide yellow and sodium lauryl sulfate, the 1 mg capsule shell contains gelatin, titanium dioxide and sodium lauryl sulfate, and the 5 mg capsule shell contains gelatin, titanium dioxide, iron oxide red and sodium lauryl sulfate.

Tacrolimus USP, previously known as FK506, is the active ingredient in Tacrolimus capsules, USP. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis . Chemically, tacrolimus USP is designated as 15,19-Epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone 5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hy-droxy-3-methoxy cyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8- (2-propenyl)-, mono-hydrate, [3S [3R*,E(1S*,3S*,4S*)], 4S*,5R*,8S*,9E,12R*,-14R*,15S*,16R*,18S*,19S*,26aR*]]-; (-)- (3S,4R,5S,8R, 9E,12S,14S,15R,16S,18R,19R,26aS)-8-Allyl-5,6,8,11,12,13,14,15,16,17,18,19,24, 25,26,26ahexadecahydro- 5,19-dihydroxy-3-[(E)-2-[(1R,3R,4R)-4- hydroxy-3-methoxycyclohexyl]-1-methylvinyl]-14,16- dimethoxy-4,10,12,18-tetramethyl-15,19-epoxy-3Hpyrido[ 2,1-c][1,4] oxaazacyclotricosine-1,7,20,21(4H,23H)- te-trone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus USP has an empirical formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus USP appears as white to off-white powder. It is soluble in methanol, ethanol, acetone, ethyl acetate and chloroform. Insoluble in water. Tacrolimus USP is available for oral administration as capsules (tacrolimus capsules USP) containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus USP. Inactive ingredients include lactose anhydrous NF, croscarmellose sodium NF, hypromellose USP, magnesium stearate NF. The 0.5 mg capsule shell contains ferric oxide yellow, gelatin NF and titanium dioxide USP, the 1 mg capsule shell contains gelatin NF and titanium dioxide USP, and the 5 mg capsule shell contains ferric oxide red, gelatin NF, and titanium dioxide USP. Contains no ingredient made from a gluten-containing grain (wheat, barley, or rye). The components of red ink used in Tacrolimus capsules USP, 0.5 mg and 1 mg are Shellac, Propylene glycol, Sodium hydroxide, Titanium dioxide, Povidone and FD&C Red Aluminium Lake. The components of white ink used in Tacrolimus capsules USP, 5 mg are Shellac, Propylene glycol, Ammonia solution, Titanium dioxide and Potassium Hydroxide. Tacrolimus capsules meet USP Organic Impurities, Procedure 2. FDA approved dissolution test specifications differ from USP.

Tacrolimus, previously known as FK506, is the active ingredient in Tacrolimus capsules. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis . Chemically, tacrolimus is designated as [3 S -[3 R * [E(1 S *,3 S *,4 S *)], 4 S *,5 R *,8 S *, 9 E ,12 R *,14 R *,15 S *,16 R *,18 S *,19 S *,26a R *]]5,6,8,11,12,13,14,15,16, 17,18, 19,24, 25,26, 26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1- c ][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus has an empirical formula of C 44 H 69 NO 12 ●H 2 O and a formula weight of 822.03. Tacrolimus appears as white crystals or crystalline powder. It is practically insoluble in water, freely soluble in ethanol, and very soluble in methanol and chloroform. Tacrolimus is available for oral administration as capsules (tacrolimus capsules USP) containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus USP. Inactive ingredients include croscarmellose sodium NF, hypromellose USP, lactose monohydrate NF, and magnesium stearate NF. The 0.5 mg capsule shell contains, FD & C Blue 1, FD & C Red 40, gelatin NF and titanium dioxide USP, the 1 mg capsule shell contains FD & C Blue 1, gelatin NF, iron oxide yellow and titanium dioxide USP, and the 5 mg capsule shell contains D & C Red 28, D & C Yellow 10, FD & C Blue 1, gelatin NF, and titanium dioxide USP. structure-tacrolimus

Tacrolimus, previously known as FK506, is the active ingredient in tacrolimus capsules. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis . Chemically, tacrolimus is designated as [3 S -[3 R *[ E (1 S *,3 S *,4 S *)], 4 S *,5 R *,8 S *,9 E ,12 R *,14 R *,15 S *,16 R *,18 S *,19 S *,26a R *]]-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1- c ][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus has an empirical formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus appears as white crystals or crystalline powder. It is practically insoluble in water, freely soluble in ethanol, and very soluble in methanol and chloroform. Tacrolimus capsules, USP are available for oral administration containing 0.5 mg, 1 mg or 5 mg of tacrolimus. Inactive ingredients include lactose monohydrate, hypromellose E5, croscarmellose sodium, and magnesium stearate. The 0.5 mg capsule shell contains gelatin, titanium dioxide, iron oxide yellow and sodium lauryl sulfate, the 1 mg capsule shell contains gelatin, titanium dioxide and sodium lauryl sulfate, and the 5 mg capsule shell contains gelatin, titanium dioxide, iron oxide red and sodium lauryl sulfate.

Tacrolimus USP, previously known as FK506, is the active ingredient in Tacrolimus capsules, USP. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis . Chemically, tacrolimus USP is designated as 15,19-Epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone 5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hy-droxy-3-methoxy cyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8- (2-propenyl)-, mono-hydrate, [3S [3R*,E(1S*,3S*,4S*)], 4S*,5R*,8S*,9E,12R*,-14R*,15S*,16R*,18S*,19S*,26aR*]]-; (-)- (3S,4R,5S,8R, 9E,12S,14S,15R,16S,18R,19R,26aS)-8-Allyl-5,6,8,11,12,13,14,15,16,17,18,19,24, 25,26,26ahexadecahydro- 5,19-dihydroxy-3-[(E)-2-[(1R,3R,4R)-4- hydroxy-3-methoxycyclohexyl]-1-methylvinyl]-14,16- dimethoxy-4,10,12,18-tetramethyl-15,19-epoxy-3Hpyrido[ 2,1-c][1,4] oxaazacyclotricosine-1,7,20,21(4H,23H)- te-trone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus USP has an empirical formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus USP appears as white to off-white powder. It is soluble in methanol, ethanol, acetone, ethyl acetate and chloroform. Insoluble in water. Tacrolimus USP is available for oral administration as capsules (tacrolimus capsules USP) containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus USP. Inactive ingredients include lactose anhydrous NF, croscarmellose sodium NF, hypromellose USP, magnesium stearate NF. The 0.5 mg capsule shell contains ferric oxide yellow, gelatin NF and titanium dioxide USP, the 1 mg capsule shell contains gelatin NF and titanium dioxide USP, and the 5 mg capsule shell contains ferric oxide red, gelatin NF, and titanium dioxide USP. Contains no ingredient made from a gluten-containing grain (wheat, barley, or rye). The components of red ink used in Tacrolimus capsules USP, 0.5 mg and 1 mg are Shellac, Propylene glycol, Sodium hydroxide, Titanium dioxide, Povidone and FD&C Red Aluminium Lake. The components of white ink used in Tacrolimus capsules USP, 5 mg are Shellac, Propylene glycol, Ammonia solution, Titanium dioxide and Potassium Hydroxide. Tacrolimus capsules meet USP Organic Impurities, Procedure 2. FDA approved dissolution test specifications differ from USP. Tacrolimus-structural-formula

Tacrolimus Ointment contains tacrolimus, a macrolide immunosuppressant produced by Streptomyces tsukubaensis . It is for topical dermatologic use only. Chemically, tacrolimus is designated as [3 S -[3 R *[ E (1 S *,3 S *,4 S *)],4 S *,5 R *,8 S *,9 E ,12 R *,14 R *,15 S *,16 R *,18 S *,19 S *,26a R *]]-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10, 12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1- c ][1,4] oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone,monohydrate. It has the following structural formula: Tacrolimus has an empirical formula of C 44 H 69 NO 12 ∙H 2 O and a formula weight of 822.03. Each gram of Tacrolimus Ointment contains (w/w) either 0.03% or 0.1% of tacrolimus in a base of mineral oil with all- rac -α-tocopherol, paraffin, propylene carbonate, white petrolatum with butylhydroxytoluene, and white wax. Chemical Structure

Tacrolimus, previously known as FK506, is the active ingredient in tacrolimus capsules. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis. Chemically, tacrolimus is designated as [3 S -[3 R *[ E (1 S*, 3 S*, 4 S* )],4 S*, 5 R*, 8 S*, 9 E, 12 R* ,14 R*, 15 S*, 16 R*, 18 S*, 19 S*, 26 aR* ]]-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus has a molecular formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus appears as white crystals or crystalline powder. It is practically insoluble in water, freely soluble in ethanol, and very soluble in methanol and chloroform. Tacrolimus capsules, USP are available for oral administration containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus. In addition, each capsule contains the following inactive ingredients: croscarmellose sodium, hypromellose, lactose monohydrate, and magnesium stearate. The tacrolimus capsule shell for 0.5 mg strength consists of gelatin, titanium dioxide and yellow iron oxide. The tacrolimus capsule shell for 1 mg strength consists of black iron oxide, gelatin, red iron oxide, titanium dioxide, and yellow iron oxide. The tacrolimus capsule shell for 5 mg strength consists of red iron oxide, gelatin, and titanium dioxide. Tacrolimus capsules, USP 0.5 mg, 1 mg and 5 mg are printed with edible black ink. The black ink is comprised of ammonia, black iron oxide, butyl alcohol, potassium hydroxide, propylene glycol, and shellac. USP Dissolution test 2 and Organic Impurities procedure 2 used.

Tacrolimus, previously known as FK506, is the active ingredient in Tacrolimus Capsules USP. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis. Chemically, tacrolimus is designated as [3S [3R*[E(1S*, 3S*,4S*)],4S*,5R*,8S*,9E,12R*,14R*,15S*,16R*,18S*,19S*,26aR*]] 5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus USP is: Tacrolimus USP has an empirical formula of C 44 H 69 NO 12 H 2 O and a formula weight of 822.03. Tacrolimus appears as white to off white powder. It is soluble in acetone, chloroform, ethyl acetate and insoluble in water. Tacrolimus Capsules USP is available for oral administration as capsules (tacrolimus capsules) containing the equivalent of 0.5 mg, 1 mg or 5 mg of tacrolimus USP. Inactive ingredients include croscarmellose sodium NF, hypromellose USP, lactose anhydrous USNF, and magnesium stearate USNF. The 0.5 mg capsule shell contains ferric oxide, gelatin and titanium dioxide. The 1 mg capsule shell contains gelatin and titanium dioxide. The 5 mg capsule shell contains ferric oxide, gelatin, and titanium dioxide Image

Tacrolimus, previously known as FK506, is the active ingredient in Tacrolimus capsules USP. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis . Chemically, tacrolimus is designated as [3 S -[3 R *[ E (1 S *,3 S *,4 S *)],4 S *,5 R *,8 S *,9 E ,12 R *,14 R *,15 S *,16 R *,18 S *,19 S *,26a R *]]-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1- c ][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus has an empirical formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus appears as white crystals or crystalline powder. It is practically insoluble in water, freely soluble in ethanol, and very soluble in methanol and chloroform. Tacrolimus is available for oral administration as capsules (tacrolimus capsules USP) containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus USP. In addition, each capsule contains the following inactive ingredients: croscarmellose sodium, hypromellose, anhydrous lactose and magnesium stearate. The tacrolimus capsule shell for 0.5 mg strength consists of gelatin, titanium dioxide and yellow iron oxide. The tacrolimus capsule shell for 1 mg strength consists of gelatin and titanium dioxide. The tacrolimus capsule shell for 5 mg strength consists of red iron oxide, gelatin, and titanium dioxide. Tacrolimus Capsules USP, 0.5 mg, 1 mg and 5 mg are printed with edible black ink. The black ink is comprised of shellac, propylene glycol, strong ammonia solution, black iron oxide and potassium hydroxide. Tacrolimus Capsules, USP meets USP Dissolution Test 8. image

Tacrolimus, previously known as FK506, is the active ingredient in tacrolimus capsules. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis. Chemically, tacrolimus is designated as [3 S -[3 R *[ E (1 S*, 3 S*, 4 S* )],4 S*, 5 R*, 8 S*, 9 E, 12 R* ,14 R*, 15 S*, 16 R*, 18 S*, 19 S*, 26 aR* ]]-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus has a molecular formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus appears as white crystals or crystalline powder. It is practically insoluble in water, freely soluble in ethanol, and very soluble in methanol and chloroform. Tacrolimus capsules, USP are available for oral administration containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus. In addition, each capsule contains the following inactive ingredients: croscarmellose sodium, hypromellose, lactose monohydrate, and magnesium stearate. The tacrolimus capsule shell for 0.5 mg strength consists of gelatin, titanium dioxide and yellow iron oxide. The tacrolimus capsule shell for 1 mg strength consists of black iron oxide, gelatin, red iron oxide, titanium dioxide, and yellow iron oxide. The tacrolimus capsule shell for 5 mg strength consists of red iron oxide, gelatin, and titanium dioxide. Tacrolimus capsules, USP 0.5 mg, 1 mg and 5 mg are printed with edible black ink. The black ink is comprised of ammonia, black iron oxide, butyl alcohol, potassium hydroxide, propylene glycol, and shellac. USP Dissolution test 2 and Organic Impurities procedure 2 used.

Tacrolimus Ointment contains tacrolimus, USP a macrolide immunosuppressant produced by Streptomyces tsukubaensis . It is for topical dermatologic use only. Chemically, tacrolimus, USP is designated as (-)-(3 S ,4 R ,5 S ,8 R ,9 E ,12 S ,14 S ,15 R ,16 S ,18 R ,19 R ,26a S )-8-Allyl-5,6,8,11,12,13,14,15,16,17,18,19,24,25, 26,26a-hexadecahydro-5,19-dihydroxy-3-[( E )-2-[(1 R ,3 R ,4 R )-4-hydroxy-3-methoxycyclohexyl]-1-methylvinyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-15,19-epoxy-3 H -pyrido[2,1-c][1,4] oxaazacyclotricosine-1,7,20,21(4 H ,23 H )-tetrone,monohydrate. It has the following structural formula: Tacrolimus, USP has a molecular formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Each gram of tacrolimus ointment contains either 0.03% or 0.1% w/w of tacrolimus, USP in a base of mineral oil, paraffin, propylene carbonate, white petrolatum and white wax. structure.jpg

Tacrolimus, previously known as FK506, is the active ingredient in tacrolimus capsules. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis. Chemically, tacrolimus is designated as [3 S -[3 R *[ E (1 S*, 3 S*, 4 S* )],4 S*, 5 R*, 8 S*, 9 E, 12 R* ,14 R*, 15 S*, 16 R*, 18 S*, 19 S*, 26 aR* ]]-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus has a molecular formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus appears as white crystals or crystalline powder. It is practically insoluble in water, freely soluble in ethanol, and very soluble in methanol and chloroform. Tacrolimus capsules, USP are available for oral administration containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus. In addition, each capsule contains the following inactive ingredients: croscarmellose sodium, hypromellose, lactose monohydrate, and magnesium stearate. The tacrolimus capsule shell for 0.5 mg strength consists of gelatin, titanium dioxide and yellow iron oxide. The tacrolimus capsule shell for 1 mg strength consists of black iron oxide, gelatin, red iron oxide, titanium dioxide, and yellow iron oxide. The tacrolimus capsule shell for 5 mg strength consists of red iron oxide, gelatin, and titanium dioxide. Tacrolimus capsules, USP 0.5 mg, 1 mg and 5 mg are printed with edible black ink. The black ink is comprised of ammonia, black iron oxide, butyl alcohol, potassium hydroxide, propylene glycol, and shellac. USP Dissolution test 2 and Organic Impurities procedure 2 used. chemical structure

Tacrolimus is the active ingredient in tacrolimus extended-release capsules. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis . Chemically, tacrolimus is designated as [3 S – [3 R *[ E (1 S *, 3 S *, 4 S *)], 4 S *, 5 R *, 8 S *, 9 E , 12 R *, 14 R *, 15 S *, 16 R *, 18 S *, 19 S *, 26a R *]] – 5, 6, 8, 11, 12, 13, 14, 15, 16, 17, 18, 19, 24, 25, 26, 26a – hexadecahydro – 5, 19 – dihydroxy – 3 – [2 – (4 – hydroxy – 3 – methoxycyclo – hexyl) – 1 – methylethenyl] – 14, 16 – dimethoxy – 4, 10, 12, 18 – tetramethyl – 8 – (2 – propenyl) – 15, 19 – epoxy – 3H – pyrido[2, 1 – c ][1, 4]oxaazacyclotricosine – 1, 7, 20, 21(4H, 23H) – tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus has an empirical formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus appears as white crystals or crystalline powder. It is practically insoluble in water, freely soluble in ethanol, and very soluble in methanol and chloroform. Tacrolimus extended-release capsules is available for oral administration as hard gelatin capsules containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus, USP. Inactive ingredients include ethylcellulose NF, hypromellose USP, magnesium stearate NF and lactose monohydrate NF. The ingredients are directly proportional across all capsule strengths. The capsule shell contains gelatin NF, ferric oxide red NF, ferric oxide yellow NF, and titanium dioxide USP. structure

Tacrolimus capsules, USP are available for oral administration as capsules containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus. Inactive ingredients in capsules: anhydrous lactose, black iron oxide, colloidal silicon dioxide, croscarmellose sodium, gelatin, hypromellose, lactose monohydrate, magnesium stearate, sodium lauryl sulfate, titanium dioxide and yellow iron oxide. In addition, the 0.5 mg capsules contain D&C Red No. 28, D&C Yellow No. 10 and FD&C Red No. 40, the 1 mg capsules contain FD&C Blue No. 1 and FD&C Red No. 3 and the 5 mg capsules contain D&C Red No. 33, D&C Red No. 28, and D&C Yellow No. 10. The imprinting ink contains the following: black iron oxide, D&C Yellow No. 10 Aluminum Lake, FD&C Blue No. 1 Aluminum Lake, FD&C Blue No. 2 Aluminum Lake, FD&C Red No. 40 Aluminum Lake, propylene glycol and shellac glaze. Tacrolimus, previously known as FK506, is the active ingredient in tacrolimus capsules. Tacrolimus is a macrolide immunosuppressant produced by Streptomyces tsukubaensis . Chemically, tacrolimus is designated as (-)-(3 S ,4 R ,5 S ,8 R ,9 E ,12 S ,14 S ,15 R ,16 S ,18 R ,19 R ,26a S )-8-allyl-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[( E )-2-[(1 R ,3 R ,4 R )-4-hydroxy-3-methoxycyclohexyl]-1-methylvinyl]-14,16-dimethyoxy-4,10,12,18-tetramethyl-15,19-epoxy-3 H -pyrido[2,1- c ][1,4]oxaazacyclotricosine-1,7,20,21(4 H ,23 H )-tetrone-monohydrate. The chemical structure of tacrolimus is: Tacrolimus has a molecular formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus, USP appears as a white to off-white powder. It is insoluble in water, freely soluble in ethanol, very soluble in chloroform and soluble in methanol. USP Dissolution Test Pending. Chemical Structure-TACROLIMUS

Tacrolimus USP, previously known as FK506, is the active ingredient in tacrolimus capsules USP. Tacrolimus USP is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis . Chemically, tacrolimus USP is designated as [3S-[3R*[E(1S*,3S*,4S*)], 4S*,5R*,8S*,9E,12R*,14R*,15S*,16R*,18S*,19S*,26aR*]] -5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus USP has an molecular formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus USP appears as white to off white granular powder. It is practically insoluble in water, freely soluble in methanol, ethanol, acetone, ehyl acetate, chloroform. Tacrolimus USP is available for oral administration as capsules containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus, USP. Inactive ingredients include croscarmellose sodium, lactose monohydrate and magnesium stearate. The 0.5 mg capsule shell contains gelatin, iron oxide red, iron oxide yellow and titanium dioxide, the 1 mg capsule shell contains gelatin and titanium dioxide and the 5 mg capsule shell contains gelatin, iron oxide red, iron oxide black, and titanium dioxide. Tacrolimus Capsules meets USP Organic Impurities Test Procedure 2.

Tacrolimus, USP previously known as FK506, is the active ingredient in Tacrolimus Capsules, USP. Tacrolimus, USP is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis . Chemically, tacrolimus, USP is designated as (-)-(3 S ,4 R ,5 S ,8 R ,9 E ,12 S ,14 S ,15 R ,16 S ,18 R ,19 R ,26a S )-8-Allyl-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[( E )-2-[(1 R ,3 R ,4 R )-4-hydroxy-3-methoxy cyclohexyl]-1-methylvinyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-15,19-epoxy-3 H -pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4 H ,23 H )-tetrone,monohydrate. The chemical structure of tacrolimus, USP is: Tacrolimus, USP has an empirical formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03 g/mol. Tacrolimus, USP appears as white to off-white powder. It is soluble in acetone, chloroform and ethyl acetate; insoluble in water. Tacrolimus Capsules, USP are available for oral administration as capsules containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus, USP. Inactive ingredients include croscarmellose sodium, hypromellose, lactose monohydrate, and magnesium stearate. The 0.5 mg capsule shell contains D&C Yellow 10, FD&C Red 40, FD&C Blue 1, gelatin, shellac, sodium hydroxide, povidone and titanium dioxide. The 1 mg capsule shell contains FD&C Red 40, gelatin, shellac, sodium hydroxide, povidone and titanium dioxide. The 5 mg capsule shell contains gelatin, D&C Yellow 10, FD&C Blue 1, FD&C Red 40, potassium hydroxide, shellac and titanium dioxide. FDA approved dissolution test specifications differ from USP. structure

Tacrolimus ointment contains tacrolimus, a macrolide immunosuppressant produced by Streptomyces tsukubaensis . It is for topical dermatologic use only. Chemically, tacrolimus is designated as [3 S -[3 R *[ E (1 S *,3 S *,4 S *)],4 S *,5 R *,8 S *,9 E ,12 R *,14 R *,15 S *,16 R *,18 S *,19 S *, 26a R *]]-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3- methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19- epoxy-3H-pyrido[2,1- c ][1,4] oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. It has the following structural formula: Tacrolimus has an empirical formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Each gram of tacrolimus ointment contains (w/w) 0.1% of tacrolimus in a base of mineral oil, paraffin, propylene carbonate, white petrolatum, and white wax. structute tacrolimus

Tacrolimus, previously known as FK506, is the active ingredient in Tacrolimus. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis . Chemically, tacrolimus is designated as [3 S - [3 R *[ E (1 S *,3 S *,4 S *)], 4 S *,5 R *,8 S *,9 E ,12 R *,14 R *,15 S *,16 R *,18 S *,19 S *,26a R *]] - 5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1- methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1- c ][1,4] oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus has an empirical formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus appears as white crystals or crystalline powder. It is practically insoluble in water, freely soluble in ethanol, and very soluble in methanol and chloroform. Tacrolimus injection is a sterile solution containing the equivalent of 5 mg anhydrous tacrolimus USP in 1 mL for administration by intravenous infusion only. Each mL contains the following inactive ingredients: dehydrated alcohol USP, 80.0% v/v and polyoxyl 60 hydrogenated castor oil (HCO-60), 200 mg. Tacrolimus injection must be diluted with 0.9% Sodium Chloride Injection or 5% Dextrose Injection before use. Figure

Tacrolimus, previously known as FK506, is the active ingredient in Tacrolimus capsules. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis . Chemically, tacrolimus is designated as [3 S -[3 R * [E(1 S *,3 S *,4 S *)], 4 S *,5 R *,8 S *, 9 E ,12 R *,14 R *,15 S *,16 R *,18 S *,19 S *,26a R *]]5,6,8,11,12,13,14,15,16, 17,18, 19,24, 25,26, 26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1- c ][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus has an empirical formula of C 44 H 69 NO 12 ●H 2 O and a formula weight of 822.03. Tacrolimus appears as white crystals or crystalline powder. It is practically insoluble in water, freely soluble in ethanol, and very soluble in methanol and chloroform. Tacrolimus is available for oral administration as capsules (tacrolimus capsules USP) containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus USP. Inactive ingredients include croscarmellose sodium NF, hypromellose USP, lactose monohydrate NF, and magnesium stearate NF. The 0.5 mg capsule shell contains, FD & C Blue 1, FD & C Red 40, gelatin NF and titanium dioxide USP, the 1 mg capsule shell contains FD & C Blue 1, gelatin NF, iron oxide yellow and titanium dioxide USP, and the 5 mg capsule shell contains D & C Red 28, D & C Yellow 10, FD & C Blue 1, gelatin NF, and titanium dioxide USP. structure-tacrolimus

Tacrolimus USP, previously known as FK506, is the active ingredient in tacrolimus capsules USP. Tacrolimus USP is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis . Chemically, tacrolimus USP is designated as [3S-[3R*[E(1S*,3S*,4S*)], 4S*,5R*,8S*,9E,12R*,14R*,15S*,16R*,18S*,19S*,26aR*]] -5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus USP has an molecular formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus USP appears as white to off white granular powder. It is practically insoluble in water, freely soluble in methanol, ethanol, acetone, ehyl acetate, chloroform. Tacrolimus USP is available for oral administration as capsules containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus, USP. Inactive ingredients include croscarmellose sodium, lactose monohydrate and magnesium stearate. The 0.5 mg capsule shell contains gelatin, iron oxide red, iron oxide yellow and titanium dioxide, the 1 mg capsule shell contains gelatin and titanium dioxide and the 5 mg capsule shell contains gelatin, iron oxide red, iron oxide black, and titanium dioxide. Tacrolimus Capsules meets USP Organic Impurities Test Procedure 2.

Tacrolimus, previously known as FK506, is the active ingredient in tacrolimus capsules. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis. Chemically, tacrolimus is designated as [3 S -[3 R *[ E (1 S*, 3 S*, 4 S* )],4 S*, 5 R*, 8 S*, 9 E, 12 R* ,14 R*, 15 S*, 16 R*, 18 S*, 19 S*, 26 aR* ]]-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus has a molecular formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus appears as white crystals or crystalline powder. It is practically insoluble in water, freely soluble in ethanol, and very soluble in methanol and chloroform. Tacrolimus capsules, USP are available for oral administration containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus. In addition, each capsule contains the following inactive ingredients: croscarmellose sodium, hypromellose, lactose monohydrate, and magnesium stearate. The tacrolimus capsule shell for 0.5 mg strength consists of gelatin, titanium dioxide and yellow iron oxide. The tacrolimus capsule shell for 1 mg strength consists of black iron oxide, gelatin, red iron oxide, titanium dioxide, and yellow iron oxide. The tacrolimus capsule shell for 5 mg strength consists of red iron oxide, gelatin, and titanium dioxide. Tacrolimus capsules, USP 0.5 mg, 1 mg and 5 mg are printed with edible black ink. The black ink is comprised of ammonia, black iron oxide, butyl alcohol, potassium hydroxide, propylene glycol, and shellac. USP Dissolution test 2 and Organic Impurities procedure 2 used. chemical structure

Tacrolimus, previously known as FK506, is the active ingredient in Tacrolimus capsules, USP. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis. Chemically, tacrolimus is designated as [3 S­ [3 R *[ E (1 S *,3 S *,4 S *)], 4 S *,5 R *,8 S *,9 E ,12 R *,14 R *,15 S *,16 R *,18 S *,19 S *,26a R *]]­ - 5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1­methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1- c ][1,4] oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus has an empirical formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus appears as white crystals or crystalline powder. It is practically insoluble in water, freely soluble in ethanol, and very soluble in methanol and chloroform. Tacrolimus capsules, USP is available for oral administration containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus USP. Inactive ingredients include anhydrous lactose, hypromellose, croscarmellose sodium and magnesium stearate. The 0.5 mg capsule shell contains gelatin, titanium dioxide and ferric oxide yellow, the 1 mg capsule shell contains gelatin and titanium dioxide, and the 5 mg capsule shell contains gelatin, titanium dioxide and ferric oxide red. Tacrolimus capsules, USP 0.5mg and 1mg are printed with red imprinting ink. Tacrolimus capsules, USP 5mg is printed with red imprinting ink and white imprinting ink. The non-volatile ingredients in the red imprinting ink are shellac, FD&C Yellow #6, D&C Red #7 and titanium dioxide. The non-volatile ingredients in the white imprinting ink are shellac and titanium dioxide. Tacrolimus Capsules meet USP Organic Impurities Test Procedure 1 and USP Organic Impurities Test Procedure 2. FDA approved dissolution test specifications differ from USP. image description

Tacrolimus, USP previously known as FK506, is the active ingredient in Tacrolimus Capsules, USP. Tacrolimus, USP is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis . Chemically, tacrolimus, USP is designated as (-)-(3 S ,4 R ,5 S ,8 R ,9 E ,12 S ,14 S ,15 R ,16 S ,18 R ,19 R ,26a S )-8-Allyl-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[( E )-2-[(1 R ,3 R ,4 R )-4-hydroxy-3-methoxy cyclohexyl]-1-methylvinyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-15,19-epoxy-3 H -pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4 H ,23 H )-tetrone,monohydrate. The chemical structure of tacrolimus, USP is: Tacrolimus, USP has an empirical formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03 g/mol. Tacrolimus, USP appears as white to off-white powder. It is soluble in acetone, chloroform and ethyl acetate; insoluble in water. Tacrolimus Capsules, USP are available for oral administration as capsules containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus, USP. Inactive ingredients include croscarmellose sodium, hypromellose, lactose monohydrate, and magnesium stearate. The 0.5 mg capsule shell contains D&C Yellow 10, FD&C Red 40, FD&C Blue 1, gelatin, shellac, sodium hydroxide, povidone and titanium dioxide. The 1 mg capsule shell contains FD&C Red 40, gelatin, shellac, sodium hydroxide, povidone and titanium dioxide. The 5 mg capsule shell contains gelatin, D&C Yellow 10, FD&C Blue 1, FD&C Red 40, potassium hydroxide, shellac and titanium dioxide. FDA approved dissolution test specifications differ from USP. image-01.jpg

Tacrolimus, previously known as FK506, is the active ingredient in tacrolimus capsules. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis. Chemically, tacrolimus is designated as [3S-[3R*[E(1S*,3S*,4S*)],4S*,5R*,8S*,9E,12R* ,14R*, 15S*,16R*,18S*,19S*,26aR*]]-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: [chemical structure] Tacrolimus has a molecular formula of C44H69NO12•H2O and a formula weight of 822.03. Tacrolimus appears as white crystals or crystalline powder. It is practically insoluble in water, freely soluble in ethanol, and very soluble in methanol and chloroform. Tacrolimus capsules, USP are available for oral administration containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus. In addition, each capsule contains the following inactive ingredients: croscarmellose sodium, hypromellose, lactose monohydrate, and magnesium stearate. The tacrolimus capsule shell for 0.5 mg strength consists of gelatin, titanium dioxide and yellow iron oxide. The tacrolimus capsule shell for 1 mg strength consists of black iron oxide, gelatin, red iron oxide, titanium dioxide, and yellow iron oxide. The tacrolimus capsule shell for 5 mg strength consists of red iron oxide, gelatin, and titanium dioxide. Tacrolimus capsules, USP 0.5 mg, 1 mg and 5 mg are printed with edible black ink. The black ink is comprised of ammonia, black iron oxide, butyl alcohol, potassium hydroxide, propylene glycol, and shellac. USP Dissolution test 2 and Organic Impurities procedure 2 used.

Tacrolimus USP, previously known as FK506, is the active ingredient in tacrolimus capsules USP. Tacrolimus USP is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis . Chemically, tacrolimus USP is designated as [3S-[3R*[E(1S*,3S*,4S*)], 4S*,5R*,8S*,9E,12R*,14R*,15S*,16R*,18S*,19S*,26aR*]] - 5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus USP has an molecular formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus USP appears as white to off white granular powder. It is practically insoluble in water, freely soluble in methanol, ethanol, acetone, ehyl acetate, chloroform. Tacrolimus USP is available for oral administration as capsules containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus, USP. Inactive ingredients include croscarmellose sodium, lactose monohydrate and magnesium stearate. The 0.5 mg capsule shell contains gelatin, iron oxide red, iron oxide yellow and titanium dioxide, the 1 mg capsule shell contains gelatin and titanium dioxide and the 5 mg capsule shell contains gelatin, iron oxide red, iron oxide black, and titanium dioxide. Tacrolimus Capsules meets USP Organic Impurities Test Procedure 2. structure

Tacrolimus, previously known as FK506, is the active ingredient in tacrolimus capsules. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis. Chemically, tacrolimus is designated as [3 S -[3 R *[ E (1 S*, 3 S*, 4 S* )],4 S*, 5 R*, 8 S*, 9 E, 12 R* ,14 R*, 15 S*, 16 R*, 18 S*, 19 S*, 26 aR* ]]-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus has a molecular formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus appears as white crystals or crystalline powder. It is practically insoluble in water, freely soluble in ethanol, and very soluble in methanol and chloroform. Tacrolimus capsules, USP are available for oral administration containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus. In addition, each capsule contains the following inactive ingredients: croscarmellose sodium, hypromellose, lactose monohydrate, and magnesium stearate. The tacrolimus capsule shell for 0.5 mg strength consists of gelatin, titanium dioxide and yellow iron oxide. The tacrolimus capsule shell for 1 mg strength consists of black iron oxide, gelatin, red iron oxide, titanium dioxide, and yellow iron oxide. The tacrolimus capsule shell for 5 mg strength consists of red iron oxide, gelatin, and titanium dioxide. Tacrolimus capsules, USP 0.5 mg, 1 mg and 5 mg are printed with edible black ink. The black ink is comprised of ammonia, black iron oxide, butyl alcohol, potassium hydroxide, propylene glycol, and shellac. USP Dissolution test 2 and Organic Impurities procedure 2 used.

Tacrolimus, previously known as FK506, is the active ingredient in tacrolimus capsules. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis . Chemically, tacrolimus is designated as [3 S -[3 R *[ E (1 S *,3 S *,4 S *)], 4 S *,5 R *,8 S *,9 E ,12 R *,14 R *,15 S *,16 R *,18 S *,19 S *,26a R *]]-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1- c ][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus is: Tacrolimus has an empirical formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus appears as white crystals or crystalline powder. It is practically insoluble in water, freely soluble in ethanol, and very soluble in methanol and chloroform. Tacrolimus capsules, USP are available for oral administration containing 0.5 mg, 1 mg or 5 mg of tacrolimus. Inactive ingredients include lactose monohydrate, hypromellose E5, croscarmellose sodium, and magnesium stearate. The 0.5 mg capsule shell contains gelatin, titanium dioxide, iron oxide yellow and sodium lauryl sulfate, the 1 mg capsule shell contains gelatin, titanium dioxide and sodium lauryl sulfate, and the 5 mg capsule shell contains gelatin, titanium dioxide, iron oxide red and sodium lauryl sulfate. Tacrolimus Structural Formula

Tacrolimus, previously known as FK506, is the active ingredient in tacrolimus capsules. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis. Chemically, tacrolimus is designated as (‒)-(3S,4R,5S,8R,9E,12S,14S,15R,16S,18R,19R,26aS)-8-Allyl-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[(E)-2-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-1-methylvinyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-15,19-epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone monohydrate. The chemical structure of tacrolimus is: Tacrolimus has a molecular formula of C 44 H 69 NO 12 •H 2 O and a formula weight of 822.03. Tacrolimus, USP appears as a white to off-white powder. It is insoluble in water, very soluble in ethanol, and soluble in methanol and chloroform. Tacrolimus capsules, USP are available for oral administration as capsules containing the equivalent of 0.5 mg, 1 mg or 5 mg of anhydrous tacrolimus. Inactive ingredients include anhydrous lactose, black iron oxide, colloidal silicon dioxide, croscarmellose sodium, gelatin, hypromellose, lactose monohydrate, magnesium stearate, sodium lauryl sulfate, titanium dioxide and yellow iron oxide. The 0.5 mg capsules also contain D&C Red No. 28, D&C Yellow No. 10 and FD&C Red No. 40, the 1 mg capsules also contain FD&C Blue No. 1 and FD&C Red No. 3 and the 5 mg capsules also contain D&C Red No. 33, D&C Red No. 28 and D&C Yellow No. 10. In addition, the black imprinting ink contains black iron oxide, D&C Yellow No. 10 Aluminum Lake, FD&C Blue No. 1 Aluminum Lake, FD&C Blue No. 2 Aluminum Lake, FD&C Red No. 40 Aluminum Lake, propylene glycol and shellac glaze. Meets USP Dissolution Test 5. Tacrolimus Structural Formula

Tacrolimus, previously known as FK506, is the active ingredient in Tacrolimus Capsules USP. Tacrolimus is a calcineurin-inhibitor immunosuppressant produced by Streptomyces tsukubaensis. Chemically, tacrolimus is designated as [3S [3R*[E(1S*, 3S*,4S*)],4S*,5R*,8S*,9E,12R*,14R*,15S*,16R*,18S*,19S*,26aR*]] 5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-15,19-epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, monohydrate. The chemical structure of tacrolimus USP is: Tacrolimus USP has an empirical formula of C 44 H 69 NO 12 H 2 O and a formula weight of 822.03. Tacrolimus appears as white to off white powder. It is soluble in acetone, chloroform, ethyl acetate and insoluble in water. Tacrolimus Capsules USP is available for oral administration as capsules (tacrolimus capsules) containing the equivalent of 0.5 mg, 1 mg or 5 mg of tacrolimus USP. Inactive ingredients include croscarmellose sodium NF, hypromellose USP, lactose anhydrous USNF, and magnesium stearate USNF. The 0.5 mg capsule shell contains ferric oxide, gelatin and titanium dioxide. The 1 mg capsule shell contains gelatin and titanium dioxide. The 5 mg capsule shell contains ferric oxide, gelatin, and titanium dioxide Image