SPL Set ID: 55467f4b-8437-43a3-b6d9-1bc2a13b4c11
1 drug(s) with this SPL Set ID
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