alembic pharmaceuticals inc. - Medication Listings

Chlordiazepoxide hydrochloride and clidinium bromide capsules, USP are a fixed-combination of chlordiazepoxide hydrochloride, a benzodiazepine, and clidinium bromide, an anticholinergic. Each chlordiazepoxide hydrochloride and clidinium bromide capsule, USP contains the active ingredients 5 mg chlordiazepoxide hydrochloride, USP and 2.5 mg clidinium bromide, USP. Each capsule also contains the inactive ingredients lactose monohydrate, corn starch, talc, titanium dioxide, FD&C Green 3, D&C Yellow 10 and gelatin. The empty hard gelatin capsule shells are printed with edible black ink containing shellac, propylene glycol, black iron oxide and potassium hydroxide. Chlordiazepoxide hydrochloride, USP is 7-chloro-2-methylamino-5-phenyl-3H-1,4-benzodiazepine 4-oxide hydrochloride. A white or practically white crystalline powder, it is soluble in water, sparingly soluble in alcohol and insoluble in solvent hexane. It is unstable in solution and the powder must be protected from light. The molecular weight is 336.22. The structural formula of chlordiazepoxide hydrochloride, USP is as follows: Clidinium bromide, USP is a synthetic anticholinergic agent which has been shown in experimental and clinical studies to have antispasmodic and antisecretory effects on the gastrointestinal tract. Structurally clidinium bromide, USP is: Product meets USP Dissolution Test 2. chlordiazepoxide-clidinium-str1.jpg chlordiazepoxide-clidinium-str2.jpg

Chlorpromazine hydrochloride, USP, a dimethylamine derivative of phenothiazine, has a chemical formula of 2-chloro-10-[3-(dimethylamino) propyl] phenothiazine monohydrochloride. It is available in tablets for oral administration. It has the following structural formula: Chlorpromazine hydrochloride, USP occurs as white to creamy white, crystalline powder. Each tablet for oral administration contains 10 mg, 25 mg, 50 mg, 100 mg, or 200 mg of chlorpromazine hydrochloride, USP. Inactive ingredients: lactose monohydrate, crospovidone, sodium starch glycolate (10 mg and 25 mg), microcrystalline cellulose (50 mg, 100 mg and 200 mg) and sodium lauryl sulfate (50 mg, 100 mg and 200 mg) povidone K-30, magnesium stearate, hypromellose, titanium dioxide, talc, polyethylene glycol 6000 (10 mg and 25 mg) and polyethylene glycol 3350 (50 mg, 100 mg and 200 mg). Additionally, 50 mg, 100 mg and 200 mg strengths also contain polyvinyl alcohol, D&C Yellow #10 Aluminium Lake, D&C Red #30 Aluminium Lake, FD&C Blue #2 Aluminium Lake. The tablets are imprinted with edible black ink. The edible black ink contains shellac, black iron oxide and propylene glycol. FDA approved dissolution test specifications differ from USP. structure

Chlorthalidone an oral antihypertensive/diuretic. It is a monosulfamyl diuretic that differs chemically from thiazide diuretics in that a double-ring system is incorporated in its structure. It is 2-Chloro-5(1-hydroxy-3-oxo-1- isoindolinyl) benzenesulfonamide with the following structural formula: Molecular Formula: C 14 H 11 ClN 2 O 4 S Molecular weight: 338.76 Chlorthalidone, USP is practically insoluble in water and dichloromethane; soluble in acetone and methanol; slightly soluble in 96% ethanol. Chlorthalidone tablets, USP are available containing either 25 mg or 50 mg of chlorthalidone, USP and the following inactive ingredients: microcrystalline cellulose, pregelatinized starch (corn), sodium starch glycolate, colloidal silicon dioxide, stearic acid and colorants D&C Yellow No.10 Aluminum Lake and FD&C Blue No.1 Aluminum Lake. structure

Clindamycin phosphate gel USP contains clindamycin phosphate, USP, at a concentration equivalent to 10 mg clindamycin per gram. Clindamycin phosphate is a water soluble ester of the semi-synthetic antibiotic produced by a 7(S)-chloro-substitution of the 7(R)-hydroxyl group of the parent antibiotic lincomycin. The gel contains allantoin, carbopol 974P, methylparaben, polyethylene glycol 400, propylene glycol, sodium hydroxide, and purified water. The structural formula is represented below: The chemical name for clindamycin phosphate is Methyl 7-chloro-6,7,8-trideoxy-6-(1-methyl- trans -4-propyl-L-2-pyrrolidinecarboxamido)-1-thio-L- threo -α-D- galacto -octopyranoside 2-(dihydrogen phosphate). structure

Clobetasol Propionate Shampoo, 0.05%, contains clobetasol propionate, USP a synthetic fluorinated corticosteroid, for topical use. The corticosteroids constitute a class of primarily synthetic steroids used topically as anti-inflammatory and antipruritic agents. The chemical name of clobetasol propionate, USP is 21-chloro-9-fluoro-11β, 17-dihydroxy-16β-methylpregna-1, 4-diene-3, 20-dione 17-propionate. It has the following structural formula: Clobetasol propionate, USP has a molecular weight of 466.97 (CAS Registry Number 25122-46-7). The molecular formula is C 25 H 32 ClFO 5 . Clobetasol propionate, USP is a white to practically white crystalline, odorless powder insoluble in water. Each gram of clobetasol propionate shampoo, 0.05%, contains 0.5 mg of clobetasol propionate, USP in a translucent, colorless to pale yellow viscous liquid shampoo base consisting of alcohol, citric acid, coco-betaine, polyquaternium-10, purified water, sodium citrate, and sodium laureth sulfate. Image

Clobetasol propionate spray, 0.05% contains clobetasol propionate, a synthetic fluorinated corticosteroid, for topical use. The corticosteroids constitute a class of primarily synthetic steroids used topically as anti-inflammatory and antipruritic agents. Clobetasol propionate is 21-chloro-9-fluoro-11β, 17-dihydroxy-16β -methylpregna-1,4-diene-3,20-dione 17- propionate, with the empirical formula C 25 H 32 CIFO 5 , and a molecular weight of 466.97 (CAS Registry Number 25122-46-7). The following is the chemical structure: Clobetasol propionate is a white to almost white crystalline powder that is practically insoluble in water. Each gram of clobetasol propionate spray, 0.05% contains 0.5 mg of clobetasol propionate, in a clear, colorless liquid composed of alcohol, isopropyl myristate, sodium lauryl sulfate, and undecylenic acid. Image

Clobetasol Propionate Ointment USP, 0.05% contains the active compound clobetasol propionate, a synthetic corticosteroid, for topical dermatologic use. Clobetasol, an analog of prednisolone, has a high degree of glucocorticoid activity and a slight degree of mineralocorticoid activity. Clobetasol propionate is a white to cream-colored crystalline powder insoluble in water. Chemically, it is 21-chloro-9-fluoro-11β,17-dihydroxy-16β-methylpregna-1,4-diene-3,20-dione 17-propionate, and it has the following structural formula: structure Each gram of the 0.05% ointment contains clobetasol propionate 0.5 mg in a base of propylene glycol, sorbitan sesquioleate, and white petrolatum. Structure

Clobetasol Propionate Cream USP, 0.05% contain the active compound clobetasol propionate, USP a synthetic corticosteroid, for topical dermatologic use. Clobetasol, an analog of prednisolone, has a high degree of glucocorticoid activity and a slight degree of mineralocorticoid activity. Chemically, clobetasol propionate, USP is Pregna-1,4-diene-3,20-dione, 21-chloro-9-fluoro-11-hydroxy-16-methyl-17-(1-oxopropoxy)-, (11β,16β), and it has the following structural formula: Clobetasol propionate, USP has the molecular formula C 25 H 32 ClFO 5 and a molecular weight of 466.97. It is a white to almost white crystalline powder insoluble in water. Clobetasol Propionate Cream USP, 0.05% contains clobetasol propionate, USP 0.5 mg/g in a cream base composed of anhydrous citric acid, cetyl alcohol, glycol stearate, lanolin oil, methylparaben, PEG-8 stearate, polysorbate 60, propylene glycol, propylparaben, purified water, sodium citrate, stearyl alcohol, and white petrolatum. Sodium hydroxide may be used to adjust pH. Chemical Structure

Clobetasol Propionate Topical Solution USP, 0.05% contains the active compound clobetasol propionate, a synthetic corticosteroid, for topical dermatologic use. Clobetasol, an analog of prednisolone, has a high degree of glucocorticoid activity and a slight degree of mineralocorticoid activity. Chemically, clobetasol propionate is (11β,16β)-21-chloro-9-fluoro-11-hydroxy-16-methyl-17-(1-oxopropoxy) pregna-1,4-diene-3,20-dione, and it has the following structural formula: Clobetasol propionate has the molecular formula C 25 H 32 CIFO 5 and a molecular weight of 467. It is a white to cream-colored crystalline powder insoluble in water. Clobetasol Propionate Topical Solution USP, 0.05% contains clobetasol propionate 0.5 mg/g in a base of carbopol 974P, isopropyl alcohol (39.3% w/w), purified water, and sodium hydroxide. Image

Clobetasol propionate foam, 0.05%, is a white to off white thermolabile hydroethanolic aerosol foam containing the active ingredient, clobetasol propionate, USP, a synthetic corticosteroid, for topical use. Clobetasol, an analog of prednisolone, has a high degree of glucocorticoid activity and a slight degree of mineralocorticoid activity. Clobetasol propionate is 21-chloro-9-fluoro-11β,17-dihydroxy-16β-methylpregna-1,4-diene-3,20-dione 17-propionate, with the empirical formula C 25 H 32 ClFO 5 , a molecular weight of 466.97. The following is the chemical structure: Clobetasol propionate is a white or almost white crystalline powder, practically insoluble in water. Each gram of clobetasol propionate foam contains 0.5 mg clobetasol propionate, USP. The foam also contains cetyl alcohol, citric acid, ethanol (60%), polysorbate 60, potassium citrate, propylene glycol, purified water, and stearyl alcohol pressurized with a hydrocarbon (propane/butane) propellant. structure

Clomipramine hydrochloride capsules, USP an antiobsessional drug that belongs to the class (dibenzazepine) of pharmacologic agents known as tricyclic antidepressants. Clomipramine hydrochloride is available as capsules of 25, 50, and 75 mg for oral administration. Clomipramine hydrochloride, USP is 3-chloro-5-[3-(dimethylamino)propyl]-10,11-dihydro­ 5 H -dibenz[ b , f ] azepine monohydrochloride, and its structural formula is: C 19 H 23 ClN 2 ● HCl MW = 351.31 Clomipramine hydrochloride, USP is a white or slightly yellow crystalline powder. It is very soluble in water. Inactive Ingredients . Microcrystalline cellulose, pregelatinized starch, colloidal silicon dioxide and magnesium stearate. Capsule shell contains gelatin, titanium dioxide, iron oxide yellow (25 mg capsules only), FD&C Yellow 6, D&C Yellow 10, FD&C Blue 1 (50 mg capsules only). The capsule shells are printed with edible black ink containing shellac, propylene glycol, iron oxide black and potassium hydroxide. Structure

Clonazepam, USP a benzodiazepine, is available as an orally disintegrating tablet containing 0.125 mg, 0.25 mg, 0.5 mg, 1 mg or 2 mg clonazepam, USP. Each orally disintegrating tablet also contains sorbitol, aspartame, sodium lauryl sulfate, crospovidone, mannitol, colloidal silicon dioxide, talc and magnesium stearate. Chemically, clonazepam, USP is 5-(2-chlorophenyl)-1,3-dihydro-7-nitro-2H-1,4-­benzodiazepin-2-one. It is a light yellow powder. It has a molecular weight of 315.72 and the following structural formula: clonazepam-str-fig.jpg

Clonidine hydrochloride is a centrally acting alpha-agonist hypotensive agent available as tablets for oral administration in three dosage strengths: 0.1 mg, 0.2 mg and 0.3 mg. The 0.1 mg tablet is equivalent to 0.087 mg of the free base. The inactive ingredients are lactose monohydrate, microcrystalline cellulose, pregelatinized starch, sodium starch glycolate, magnesium stearate and FD&C Yellow No. 6 Aluminum Lake. Clonidine hydrochloride 0.1 mg tablets also contain FD&C Red No. 40 Aluminum Lake and FD&C Blue No. 1 Aluminum Lake. Clonidine hydrochloride is an imidazoline derivative and exists as a mesomeric compound. The chemical name is 2-(2,6-dichlorophenylamino)-2-imidazoline hydrochloride. The following is the structural formula: C 9 H 9 Cl 2 N 3 .HCl Mol Wt. 266.56 Clonidine hydrochloride is an odorless, bitter, white, crystalline substance soluble in water and alcohol. Structure

Cyclophosphamide, USP is a synthetic antineoplastic drug chemically related to the nitrogen mustards. The chemical name for cyclophosphamide is 2-[bis(2-chloroethyl)amino]tetrahydro-2H-1,3,2-oxazaphosphorine 2-oxide monohydrate, and has the following structural formula: Cyclophosphamide has a molecular formula C 7 H 15 Cl 2 N 2 O 2 P • H 2 O and a molecular weight of 279.1. Cyclophosphamide is soluble in water and freely soluble in alcohol. Each capsule for oral administration contains 25 mg or 50 mg cyclophosphamide (anhydrous, USP) and the following inactive ingredients: pregelatinized starch and sodium stearyl fumarate. Each hard gelatin capsule shell contains FD&C Blue 1, FD&C Red 3, gelatin and titanium dioxide. The empty gelatin capsule shells are printed with edible black ink containing shellac, iron oxide black and potassium hydroxide. cyclophosphamide-str.jpg

The chemical name for dabigatran etexilate mesylate, a direct thrombin inhibitor, is β-Alanine, N-[[2-[[[4-[[[(hexyloxy)carbonyl]amino]iminomethyl]phenyl]amino]methyl]-1-methyl-1H-benzimidazol-5-yl]carbonyl]-N-2-pyridinyl-,ethyl ester, methanesulfonate. The empirical formula is C 34 H 41 N 7 O 5 ⋅ CH 4 O 3 S and the molecular weight is 723.86 (mesylate salt), 627.75 (free base). The structural formula is: Dabigatran etexilate mesylate is off-white to yellowish powder. It is freely soluble in methanol and ethanol, practically insoluble in acetone, ethyl acetate and water. Dabigatran etexilate capsules are supplied in 75 mg, 110 mg, and 150 mg strengths for oral administration. Each capsule contains dabigatran etexilate mesylate as the active ingredient: 75 mg dabigatran etexilate (equivalent to 86.48 mg dabigatran etexilate mesylate), 110 mg dabigatran etexilate (equivalent to 126.83 mg dabigatran etexilate mesylate) or 150 mg dabigatran etexilate (equivalent to 172.95 mg dabigatran etexilate mesylate) along with the following inactive ingredients: hydroxypropyl cellulose, hypromellose phthalate, pelletized tartaric acid, talc. The capsule shell is composed of carrageenan, hypromellose, potassium chloride and titanium dioxide. Additionally, 110 mg and 150 mg capsule shell also contains FD&C Blue No. 2. The empty hard hypromellose capsule shells are printed with edible black ink containing iron oxide black, potassium hydroxide and shellac. dabigatran-structure.jpg

Dapsone gel, 7.5%, contains dapsone, a sulfone, in an aqueous gel base for topical dermatologic use. Dapsone gel, 7.5% is an off-white to yellow homogeneous gel with suspended particles. Chemically, dapsone has an empirical formula of C 12 H 12 N 2 O 2 S. It is a white to creamy white, crystalline powder that has a molecular weight of 248.30. Dapsone's chemical name is 4-[(4-aminobenzene) sulfonyl] aniline and its structural formula is: Each gram of dapsone gel, 7.5%, contains 75 mg of dapsone, USP, in a gel of diethylene glycol monoethyl ether, methylparaben, acrylamide/sodium acryloyldimethyl taurate copolymer, isohexadecane, polysorbate 80, and purified water. Image

Darifenacin is an extended-release tablet for oral administration which contains 7.5 mg or 15 mg darifenacin as its hydrobromide salt. The active moiety, darifenacin, is a potent muscarinic receptor antagonist. Chemically, darifenacin hydrobromide is (S) -2-{1-[2-(2,3-dihydrobenzofuran-5-yl)ethyl]-3-pyrrolidinyl}-2,2diphenylacetamide hydrobromide. The empirical formula of darifenacin hydrobromide is C 28 H 30 N 2 O 2 •HBr. The structural formula is: Darifenacin hydrobromide is a white to off-white crystalline powder, with a molecular weight of 507.5. Darifenacin is a once-a-day extended-release tablet and contains the following inactive ingredients: hypromellose, povidone, dibasic calcium phosphate anhydrous, magnesium stearate, titanium dioxide, polyethylene glycol, talc. The 15 mg tablet also contains iron oxide red and iron oxide yellow. darifenacin-structure.jpg

Dasatinib tablet is a kinase inhibitor. The chemical name for dasatinib is N-(2-chloro-6- methylphenyl)-2-[[6-[4-(2-hydroxyethyl)-1-piperazinyl]-2-methyl-4-pyrimidinyl]amino]-5- thiazolecarboxamide, monohydrate. The molecular formula is C 22 H 26 ClN 7 O 2 S • H 2 O, which corresponds to a formula weight of 506.02 (monohydrate). The anhydrous free base has a molecular weight of 488.01. Dasatinib has the following chemical structure: Dasatinib is off-white to yellowish powder. The drug substance is practically insoluble in water and slightly to very slightly soluble in methanol and freely soluble in dimethyl sulfoxide, soluble in N,N-dimethyl formamide. Dasatinib tablets are white to off-white, biconvex, film-coated tablets containing dasatinib, with the following inactive ingredients: croscarmellose sodium, hydroxypropyl cellulose, lactose anhydrous, magnesium stearate and microcrystalline cellulose. The tablet coating consists of hypromellose, polyethylene glycol and titanium dioxide. structure

Deferasirox is an iron-chelating agent provided as a tablet for oral use. Deferasirox is designated chemically as 4-[3,5-bis(2-hydroxyphenyl)-1 H -1,2,4-triazol-1-yl]benzoic acid and has the following structural formula: Deferasirox is a white to slightly yellow powder. It has a molecular formula C 21 H 15 N 3 O 4 and molecular weight of 373.36 g/mol. It is freely soluble in N, N-Dimethyl formamide and in dimethyl sulfoxide, practically insoluble in water. Deferasirox tablets contain 90 mg, 180 mg, or 360 mg deferasirox. Inactive ingredients include microcrystalline cellulose, crospovidone, colloidal silicon dioxide, povidone (K30), poloxamer (188), sodium starch glycolate, and magnesium stearate. The film coating contains hypromellose, titanium dioxide, polyethylene glycol, talc, and FD&C Blue No. 2 Aluminium Lake. Structure

Deferasirox is an iron chelating agent. Deferasirox tablets for oral suspension contain 125 mg, 250 mg, or 500 mg deferasirox. Deferasirox is designated chemically as 4-[3,5-Bis (2-hydroxyphenyl)-1H-1,2,4-triazol-1-yl]-benzoic acid and its structural formula is: Deferasirox is a white to slightly yellow powder. Its molecular formula is C 21 H 15 N 3 O 4 and its molecular weight is 373.36 g/mol. Inactive Ingredients: Crospovidone (NF), sodium starch glycolate (NF), croscarmellose sodium (NF), colloidal silicon dioxide (NF), sodium lauryl sulphate (NF), povidone (K-30) (USP), lactose monohydrate (NF), and magnesium stearate (NF). Structure

Desipramine hydrochloride, USP is an antidepressant drug of the tricyclic type, and is chemically: 5H-Dibenz [bƒ] azepine-5-propanamine, 10, 11-dihydro-N-methyl-, monohydrochloride. Each desipramine hydrochloride tablet, USP contains 10 mg, 25 mg, 50 mg, 75 mg, 100 mg, or 150 mg of desipramine hydrochloride, USP for oral administration. Inactive Ingredients The following inactive ingredients are contained in all dosage strengths: citric acid monohydrate, croscarmellose sodium, hydroxypropyl cellulose, hypromellose, magnesium stearate, microcrystalline cellulose, polyethylene glycol 6000 (only 150 mg), polyethylene glycol 8000 (10 mg, 25 mg, 50 mg, 75 mg and 100 mg), talc and titanium dioxide. 10 mg tablet also contains FD&C Blue No. 1 Aluminum Lake and iron oxide yellow. 25 mg tablet also contains D&C Yellow No. 10 Aluminum Lake, FD&C Blue No. 2 Aluminum Lake and FD&C Yellow No. 6 Aluminum Lake. 50 mg tablet also contains D&C Yellow No. 10 Aluminum Lake, FD&C Blue No.1 Aluminum Lake, and FD&C Yellow No. 6 Aluminum Lake. 75 mg tablet also contains FD&C Red No. 40 Aluminum Lake and FD&C Yellow No. 6 Aluminum Lake. 100 mg tablet also contains D&C Yellow No. 10 Aluminum Lake, FD&C Blue No. 2 Aluminum Lake and FD&C Yellow No. 6 Aluminum Lake. desipramine-structure

Desonide ointment, 0.05% contains desonide (Pregna-1,4-diene-3,20-dione,11,21-dihydroxy-16,17-[(1-methylethylidene)bis(oxy)]-,(11β,16α)) a synthetic corticosteroid for topical dermatologic use. The corticosteroids constitute a class of primary synthetic steroids used topically as anti-inflammatory and antipruritic agents. Chemically, desonide, the active ingredient in desonide ointment, 0.05% is C 24 H 32 O 6 . It has the following structural formula: The molecular weight of desonide is 416.51. It is white to off-white powder. The solubility of desonide in distilled water saturated with the ether is 184 mg/L. Each gram of desonide ointment, 0.05% contains 0.5 mg of desonide microdispersed in a base of white petrolatum. structure

Desonide Lotion USP, 0.05% contain desonide, USP (Pregna-1,4-diene-3,20-dione,11,21- dihydroxy-16,17 [(1-methylethylidene) bis (oxy)]- (11β,16α)- a synthetic nonfluorinated corticosteroid for topical dermatologic use. The corticosteroids constitute a class of primarily synthetic steroids used topically as anti-inflammatory and anti-pruritic agents. Chemically, desonide, USP is C 24 H 32 O 6 . It has the following structural formula: Desonide, USP has the molecular weight of 416.51. It is a white to almost white crystalline powder which is practically insoluble in water, sparingly soluble in ethanol and in acetone, soluble in chloroform. Each gram of desonide lotion USP, 0.05% contains 0.5 mg of desonide, USP in a base of cetyl alcohol, edetate disodium, glyceryl stearate SE, light mineral oil, methylparaben, propylene glycol, propylparaben, purified water, sodium lauryl sulfate, sorbitan monostearate, and stearyl alcohol. May contain citric acid and/or sodium hydroxide for pH adjustment. chemical structure

Desonide cream, 0.05% contains desonide (Pregna-1,4-diene-3,20-dione,11,21-dihydroxy-16,17-[(1-methylethylidene)bis(oxy)]-,(11β,16α)) a synthetic corticosteroid for topical dermatologic use. The corticosteroids constitute a class of primary synthetic steroids used topically as anti-inflammatory and antipruritic agents. Chemically, desonide, USP the active ingredient in desonide cream, 0.05% is C 24 H 32 O 6 . It has the following structural formula: The molecular weight of desonide is 416.51. It is a white to almost white crystalline powder. The solubility of desonide in distilled water saturated with ether is 184 mg/L. Each gram of desonide cream, 0.05% contains 0.5 mg of desonide, USP microdispersed in a base of aluminum sulfate, calcium acetate, cetostearyl alcohol, dextrin, edetate disodium, glycerin, light mineral oil, purified water, sodium lauryl sulfate, white wax, and white petrolatum. Desonide cream, 0.05% is preserved with methylparaben and buffered to pH 4.2 to 5.0. Image

The active ingredient in dexlansoprazole delayed-release capsules, a proton pump inhibitor, is (+)-2-[(R)-{[3-methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl] methyl} sulfinyl]- 1H -benzimidazole, a compound that inhibits gastric acid secretion. Dexlansoprazole is the R -enantiomer of lansoprazole (a racemic mixture of the R -and S -enantiomers). Its empirical formula is: C 16 H 14 F 3 N 3 O 2 S, with a molecular weight of 369.36. Dexlansoprazole has the following chemical structure: Dexlansoprazole is a white to brownish powder which melts at about 146°C. Dexlansoprazole is freely soluble in methanol, dichloromethane, soluble in acetonitrile, practically insoluble in water. Dexlansoprazole is stable when exposed to light. Dexlansoprazole is more stable in neutral and alkaline conditions than acidic conditions. Dexlansoprazole is supplied for oral administration as a dual delayed-release formulation in capsules. The capsules contain dexlansoprazole in a mixture of two types of enteric-coated pellets with different pH-dependent dissolution profiles [see Clinical Pharmacology (12.3)]. Dexlansoprazole delayed-release capsules are available in two dosage strengths: 30 and 60 mg, per capsule. Each capsule contains enteric-coated pellets consisting of dexlansoprazole (active ingredient) and the following inactive ingredients: colloidal silicon dioxide, confectioner’s sugar, croscarmellose sodium, hydroxypropyl cellulose, hypromellose, magnesium carbonate, methacrylic acid copolymer dispersion, methacrylic acid and methyl methacrylate copolymer (1:1), methacrylic acid and methyl methacrylate copolymer (1:2), polyethylene glycol 8000, polysorbate 80, sodium lauryl sulfate, sugar spheres (composed of corn starch, sucrose, and water), talc, titanium dioxide and triethyl citrate. The capsule shell contains carrageenan, hypromellose and potassium chloride, Additionally, 30 mg capsule shell contains FD&C Blue No. 1, iron oxide red, iron oxide yellow, titanium dioxide and whereas 60 mg capsule shell contains iron oxide red. The capsule shells are printed with edible ink containing black iron oxide, potassium hydroxide and shellac. dexlansoprazole-str.jpg

Diazepam is a benzodiazepine derivative. Chemically, diazepam is 7-chloro-1,3-dihydro-1- methyl-5-phenyl-2H-1,4-benzodiazepin-2-one. It is a colorless crystalline compound, insoluble in water, with a molecular weight of 284.74 and with the following molecular structure: M.W. 284.74 Diazepam Injection, USP is a sterile solution intended for intramuscular or intravenous administration and each mL contains 5 mg diazepam compounded with 40% propylene glycol, 10% alcohol, 5% sodium benzoate and benzoic acid as buffers, and 1.5% benzyl alcohol as preservative. diazepam-structure

Diclofenac sodium topical solution USP, 2% w/w, contains diclofenac sodium, USP a benzeneacetic acid derivative that is a nonsteroidal anti-inflammatory drug, and is available as a clear, colorless to faintly pink or orange solution for topical application. The chemical name is 2 [(2,6-dichlorophenyl) amino]-benzeneacetic acid, monosodium salt. The molecular weight is 318.14. Its molecular formula is C 14 H 10 Cl 2 NNaO 2, and it has the following chemical structure. Each 1 gram of solution contains 20 mg of diclofenac sodium, USP. The inactive ingredients: dimethyl sulfoxide USP (DMSO, 45.5% w/w), ethanol (31.3% v/v), purified water, propylene glycol, and hydroxypropyl cellulose. structure

Diclofenac sodium topical gel, 3%, intended for dermatologic use, contains the active ingredient, diclofenac sodium, in a clear, transparent, colorless to slightly yellow or orange gel base. Diclofenac sodium is a white or slightly yellowish hygroscopic crystalline powder. It is freely soluble in methanol, soluble in ethanol, sparingly soluble in water, slightly soluble in acetone, and partially insoluble in ether. The chemical name for diclofenac sodium is: Sodium [ o- (2,6-dichloranilino) phenyl] acetate Diclofenac sodium has a molecular weight of 318.13. The CAS number is CAS-15307-79-6. The structural formula is represented below: Diclofenac sodium topical gel, 3% also contains benzyl alcohol, sodium hyaluronate, polyethylene glycol monomethyl ether, and purified water. 1 g of diclofenac sodium topical gel, 3% contains 30 mg of the active substance, diclofenac sodium. Image

Difluprednate ophthalmic emulsion 0.05% is a sterile, topical anti-inflammatory corticosteroid for topical ophthalmic use. The chemical name is 6α,9difluoro-11β,17,21-trihydroxypregna-1,4- diene-3,20-dione 21-acetate 17-butyrate (CAS number 23674-86-4). Difluprednate is represented by the following structural formula: Difluprednate has a molecular weight of 508.56 g/mol, and the empirical formula is C 27 H 34 F 2 O 7 . Each mL of difluprednate ophthalmic emulsion contains: Active : difluprednate 0.5 mg (0.05%); Inactives: boric acid, castor oil, edetate disodium, glycerin, polysorbate 80, sodium acetate, sodium hydroxide (to adjust the pH to 5.2 to 5.8), water for injection. Preservative : sorbic acid 0.1%. The emulsion is essentially isotonic with a tonicity of 304 to 411 mOsm/kg. difluprednate-structure

Diltiazem hydrochloride, USP is a calcium ion cellular influx inhibitor (slow channel blocker or calcium antagonist). Chemically, diltiazem hydrochloride, USP is 1,5-Benzothiazepin-4(5 H )-one, 3-(acetyloxy)-5-[2-(dimethylamino)ethyl]-2, 3-dihydro-2-(4- methoxyphenyl)-, monohydrochloride,(+)- cis -. The chemical structure is: Diltiazem hydrochloride, USP is a white to off-white crystalline powder with a bitter taste. It is freely soluble in chloroform, in formic acid, in methanol and in water, sparingly soluble in dehydrated ethanol, insoluble in ether. It has a molecular weight of 450.98. Each diltiazem hydrochloride tablet, USP contains 30 mg, 60 mg, 90 mg, or 120 mg of diltiazem hydrochloride, USP. Also contains: colloidal silicon dioxide, D&C Yellow No. 10 Aluminum Lake, FD&C Blue No. 1 Aluminum Lake (30 mg and 90 mg), FD&C Yellow No. 6 Aluminum Lake (60 mg and 120 mg), hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol 400, talc and titanium dioxide. For oral administration. FDA approved dissolution test specifications differ from USP. diltiazem-str.jpg

Diltiazem hydrochloride, USP is a calcium ion cellular influx inhibitor (slow channel blocker or calcium antagonist). Chemically, diltiazem hydrochloride is 1,5-Benzothiazepin-4(5H)-one, 3-(acetyloxy)-5-[2-(dimethylamino) ethyl]-2, 3-dihydro-2-(4-methoxyphenyl)-, monohydrochloride, (+)-cis-. The chemical structure is: Diltiazem hydrochloride, USP is a white to off-white crystalline powder with a bitter taste. It is freely soluble in chloroform, in formic acid, in methanol and in water, sparingly soluble in dehydrated ethanol, insoluble in ether. It has a molecular weight of 450.98. Diltiazem hydrochloride extended-release capsules, USP are formulated as a once-a-day extended-release capsule containing 120 mg diltiazem hydrochloride, USP (equivalent to 110.3 mg diltiazem), 180 mg diltiazem hydrochloride, USP (equivalent to 165.45 mg diltiazem), 240 mg diltiazem hydrochloride, USP (equivalent to 220.6 mg diltiazem), 300 mg diltiazem hydrochloride, USP (equivalent to 275.75 mg diltiazem), or 360 mg diltiazem hydrochloride, USP (equivalent to 330.9 mg diltiazem). The 120 mg, 180 mg, 240 mg, 300 mg and 360 mg capsules contain acetyl tributyl citrate, ethylcellulose, hypromellose, microcrystalline cellulose, povidone K-30, sucrose stearate, talc. The 120 mg, 180 mg, 240 mg, 300 mg and 360 mg capsule shells contain FD&C Blue 1, gelatin and titanium dioxide. The 300 mg capsule shell also contain iron oxide black. The 120 mg capsule shells are imprinted with edible blue ink containing FD&C Blue # 2 Aluminum Lake and shellac. The 180 mg, 240 mg, 300 mg and 360 mg capsule shells are imprinted with edible white ink containing potassium hydroxide, shellac and titanium dioxide. For oral administration. FDA approved dissolution test specifications differ from USP. diltiazem-str.jpg

Diltiazem hydrochloride, USP is a calcium ion influx inhibitor (slow channel blocker or calcium antagonist). Chemically, diltiazem hydrochloride, USP is 1,5-Benzothiazepin-4(5 H )one, 3-(acetyloxy)-5-[2-(dimethylamino)ethyl]-2,3-dihydro-2-(4-methoxyphenyl)-, monohydrochloride, (+)-cis-. Its molecular formula is C 22 H 26 N 2 O 4 S•HCl and its molecular weight is 450.98. Its structural formula is as follows: Diltiazem hydrochloride, USP is a white to off-white crystalline powder with a bitter taste. It is freely soluble in chloroform, formic acid, methanol and water, sparingly soluble in dehydrated ethanol and insoluble in ether. Diltiazem hydrochloride extended-release capsules, USP contain 120 mg or 180 mg or 240 mg diltiazem hydrochloride and are formulated for the controlled release of diltiazem hydrochloride over a 24-hour period. Inactive Ingredients: Diltiazem hydrochloride extended-release capsules, USP contain lactose monohydrate, hypromellose, colloidal silicon dioxide and magnesium stearate. The 120 mg, 180 mg and 240 mg capsule shells contain FD&C Blue 1, FD&C Red 3, FD&C Red 40, titanium dioxide and gelatin. Additionally, 120 mg capsule shell contains FD&C Yellow 6, 180 mg and 240 mg capsule shell contains D&C Red 33. The capsules are printed with edible ink containing shellac, iron oxide black and potassium hydroxide. For oral administration. FDA approved dissolution test specifications differ from USP. diltiazem-str.jpg

Divalproex sodium, USP is a stable co-ordination compound comprised of sodium valproate and valproic acid in a 1:1 molar relationship and formed during the partial neutralization of valproic acid with 0.5 equivalent of sodium hydroxide. Chemically it is designated as sodium hydrogen bis(2-propylpentanoate). Divalproex sodium has the following structure: Divalproex sodium, USP occurs as a white to off-white powder. Divalproex sodium delayed-release capsules, USP are for oral administration. Divalproex sodium delayed-release capsules, USP contain specially coated particles of divalproex sodium, USP equivalent to 125 mg of valproic acid in a hard gelatin capsule. Inactive Ingredients Divalproex sodium delayed-release capsules USP, 125 mg: ethyl cellulose, hypromellose, magnesium stearate, sugar spheres (composed of corn starch, sucrose and water) and triethyl citrate. Hard gelatin capsule shell contains D&C Red No. 28, FD&C Blue No.1, gelatin and titanium dioxide. The capsule shells are printed with edible black ink containing black iron oxide, potassium hydroxide and shellac. Meets USP Dissolution Test 2. divalproex-structure.jpg

Docetaxel is an antineoplastic agent belonging to the taxoid family. It is prepared by semisynthesis beginning with a precursor extracted from the renewable needle biomass of yew plants. The chemical name for docetaxel is (2R,3S)-N-carboxy-3-phenylisoserine,N-tert-butyl ester, 13-ester with 5β-20-epoxy-1,2α,4,7β,10β,13α-hexahydroxytax-11-en-9-one 4-acetate 2-benzoate. Docetaxel (anhydrous) has the following structural formula: Docetaxel is a white to almost-white powder with an empirical formula of C 43 H 53 NO 14 , and a molecular weight of 807.88. It is highly lipophilic and practically insoluble in water. Docetaxel Injection, USP is a sterile, non-pyrogenic, clear, colorless to pale yellow solution at 10 mg/mL concentration for Intravenous infusion only. Each mL contains 10 mg docetaxel (anhydrous) 260 mg polysorbate 80 NF, 4 mg anhydrous citric acid USP, 23% v/v dehydrated alcohol USP, and polyethylene glycol 300 NF. Docetaxel Injection is available in single-dose vials containing 20 mg (2 mL) docetaxel (anhydrous), and multiple-dose vials containing 80 mg (8 mL) or 160 mg (16 mL) docetaxel (anhydrous). Docetaxel Injection requires NO prior dilution with a diluent and is ready to add to the infusion solution. docetaxel-structure

Uses treats cold sores/fever blisters on the face or lips shortens healing time and duration of symptoms: • tingling, pain, burning, and/or itching

Dorzolamide hydrochloride ophthalmic solution, USP is a carbonic anhydrase inhibitor formulated for topical ophthalmic use. Dorzolamide hydrochloride, USP is described chemically as: (4 S , 6 S )-4-(ethylamino)-5,6-dihydro-6-methyl-4 H -thieno[2,3- b ]thiopyran-2-sulfonamide 7,7-dioxide monohydrochloride. Dorzolamide hydrochloride, USP is optically active. The specific rotation is α 25° (C=1, water) = ~ -17°. 405 Its empirical formula is C 10 H 16 N 2 O 4 S 3 ·HCl and its structural formula is: Dorzolamide hydrochloride, USP has a molecular weight of 360.9 and a melting point of about 259°C to 267°C. It is a white to off-white, crystalline powder, which is soluble in water, slightly soluble in methanol, very slightly soluble in anhydrous ethanol. Dorzolamide hydrochloride ophthalmic solution, USP is supplied as slightly opalescent, nearly colorless, slightly viscous solution, free from foreign visible particles. The pH of the solution is between 5.50 and 5.85, and the osmolarity is 260-330 mOsm/L. Each mL of Dorzolamide hydrochloride ophthalmic solution, USP 2% contains 20 mg dorzolamide (equivalent to 22.3 mg of dorzolamide hydrochloride, USP). Inactive ingredients are hydroxyethyl cellulose, mannitol, sodium citrate dihydrate, sodium hydroxide (to adjust pH) and water for injection. Benzalkonium chloride 0.0075% is added as a preservative. dorzolamide-structure

Dorzolamide hydrochloride and timolol maleate ophthalmic solution is the combination of a topical carbonic anhydrase inhibitor and a topical beta-adrenergic receptor blocking agent. Dorzolamide hydrochloride is described chemically as: (4 S-trans )-4-(ethylamino)-5,6-dihydro-6-methyl- 4H -thieno[2,3 -b ]thiopyran-2-sulfonamide 7,7-dioxide monohydrochloride. Dorzolamide hydrochloride is optically active. The specific rotation is: [α] 25°C (C=1, water) = ~ -17°. 405nm Its empirical formula is C 10 H 16 N 2 O 4 S 3 •HCl and its structural formula is: Dorzolamide hydrochloride has a molecular weight of 360.91. It is a white to off-white,crystalline powder, which is soluble in water and slightly soluble in methanol and ethanol. Timolol maleate is described chemically as: (-)-1-( tert -butylamino)-3-[(4-morpholino-1,2,5-thiadiazol-3-yl)oxy]-2-propanol maleate (1:1) (salt). Timolol maleate possesses an asymmetric carbon atom in its structure and is provided as the levo-isomer. The optical rotation of timolol maleate is: [α] 25°C in 1N HCl (C = 5) = -12.2° (-11.7° to -12.5°). 405nm Its molecular formula is C 13 H 24 N 4 O 3 S•C 4 H 4 O 4 and its structural formula is: Timolol maleate has a molecular weight of 432.50. It is a white, odorless, crystalline powder which is soluble in water, methanol, and alcohol. Timolol maleate is stable at room temperature. Dorzolamide hydrochloride and timolol maleate ophthalmic solution is supplied as a sterile, clear, colorless to nearly colorless, isotonic, buffered, slightly viscous, aqueous solution. The pH of the solution is approximately 5.65, and the osmolarity is 242 to 323 mOsM. Each mL of dorzolamide hydrochloride and timolol maleate ophthalmic solution contains 20 mg dorzolamide(equivalent to 22.26 mg of dorzolamide hydrochloride) and 5 mg timolol (equivalent to 6.83 mg timolol maleate). Inactive ingredients are sodium citrate, hydroxyethyl cellulose, sodium hydroxide, mannitol, and water for injection. Benzalkonium chloride 0.0075% is added as a preservative. dorzolamide-structure dorzolamide-timolol-structure

Doxepin is a tricyclic antidepressant. The molecular formula of doxepin hydrochloride, USP is C 19 H 21 NO•HCl with a molecular weight of 315.84. It is a white or almost white crystalline powder. It is freely soluble in water, in alcohol and in methylene chloride. Doxepin is a dibenzoxepin derivative. Specifically, it is an isomeric mixture of: 1-Propanamine, 3-dibenz[ b , e ]oxepin-11(6 H )ylidene- N , N -dimethyl-, hydrochloride. The structural formula of doxepin is shown below. Doxepin Hydrochloride Doxepin hydrochloride capsules, USP are for oral administration. Active ingredients for the capsules include: 10 mg, 25, mg, 50 mg, 75 mg and 100 mg of doxepin (equivalent to 11.31 mg, 28.26 mg, 56.53 mg, 84.79 mg and 113.05 mg of doxepin hydrochloride, respectively). Capsule inactive ingredients: colloidal silicon dioxide, magnesium stearate, microcrystalline cellulose, pregelatinized starch and sodium lauryl sulfate. The capsule shell contains gelatin, iron oxide yellow, sodium lauryl sulfate and titanium dioxide. Additionally, 75 mg and 100 mg capsule shell also contains FD&C Blue 1. The capsule shells are printed with edible black ink containing iron oxide black, potassium hydroxide and shellac. FDA approved dissolution method differs from the USP dissolution method. structure

Doxercalciferol injection contains doxercalciferol, which is a synthetic vitamin D 2 analog. Doxercalciferol undergoes metabolic activation in vivo to form 1α,25-dihydroxyvitamin D 2 (1α,25-(OH) 2 D 2 ), a naturally occurring, biologically active form of vitamin D 2 . Doxercalciferol is a white to off-white crystallized powder with a calculated molecular weight of 412.66 and a molecular formula of C 28 H 44 O 2 . It is soluble in oils and organic solvents, but is relatively insoluble in water. Chemically, doxercalciferol is (1α,3β,5Z,7E,22E)-9,10-secoergosta-5,7,10(19),22-tetraene-1,3-diol. The structural formula is: Injection Doxercalciferol Injection is a sterile, clear, and colorless solution. Doxercalciferol Injection 2 mL multiple-dose vials contain 4 mcg/2 mL (2 mcg/mL) of doxercalciferol. Each milliliter (mL) of solution contains 2 mcg doxercalciferol and the following inactive ingredients: butylated hydroxytoluene (0.02 mg); disodium edetate (1.1 mg); dehydrated alcohol (7.5% v/v); polysorbate 20 (10 mg); sodium chloride (1.5 mg); dibasic sodium phosphate, heptahydrate (14.4 mg); and monobasic sodium phosphate, monohydrate (1.8 mg). doxercalciferol-structure

The active ingredient in Doxorubicin hydrochloride liposome injection is doxorubicin hydrochloride, an anthracycline topoisomerase inhibitor, that is encapsulated in pegylated liposomes for intravenous use. The chemical name of doxorubicin hydrochloride is (8S,10S)-10-[(3-amino-2,3,6-trideoxy-α-L-lyxo-hexopyranosyl)oxy]-8-glycolyl-7,8,9,10-tetrahydro-6,8,11-trihydroxy-1-methoxy-5,12-naphthacenedione hydrochloride. The molecular formula is C 27 H 29 NO 11 •HCl and the molecular weight is 579.99. The structural formula is: Doxorubicin hydrochloride liposome injection is a sterile, translucent, red liposomal dispersion. Each single-dose vial contains 20 mg or 50 mg doxorubicin hydrochloride at a concentration of 2 mg/mL (equivalent to 1.87 mg/mL of doxorubicin). The pegylated liposome carriers are composed of cholesterol, 3.19 mg/mL; fully hydrogenated soy phosphatidylcholine (HSPC), 9.58 mg/mL; and N-(carbonyl-methoxypolyethylene glycol 2000)-1,2-distearoyl-sn-glycero-3-phosphoethanolamine sodium salt (MPEG-DSPE), 3.19 mg/mL. Each mL also contains ammonium sulfate, approximately 0.6 mg; histidine, 1.55 mg as a buffer; hydrochloric acid and/or sodium hydroxide may have been added for pH adjustment (6.0 to 7.0); and sucrose, 94 mg to maintain isotonicity. Greater than 90% of the drug is encapsulated in the pegylated liposomes. MPEG-DSPE has the following structural formula: HSPC has the following structural formula: Representation of a pegylated liposome: doxorubicin-structure. doxorubicin-mpeg-dspe doxorubicin-hspe doxorubicin-pegylated-liposome

Doxycycline capsules 40 mg are hard gelatin capsule shells filled with two types of doxycycline pellets (24 mg immediate release and 16 mg delayed release) that together provide a dose of 40 mg of anhydrous doxycycline (C 22 H 24 N 2 O 8 ). The structural formula of doxycycline, USP is: with an empirical formula of C 22 H 24 N 2 O 8 •H 2 O and a molecular weight of 462.46. The chemical designation for doxycycline is 2-Naphthacenecar-boxamide,4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-, [4S-(4α, 4aα, 5α, 5aα, 6α,12aα)]-, monohydrate. It is very slightly soluble in water and in alcohol, practically insoluble in ether. It dissolves in dilute solutions of mineral acids and in solutions of alkali hydroxides and carbonates. Inert ingredients in the formulation are: FD&C Red No. 40 Aluminum Lake, hypromellose, methacrylic acid copolymer, polysorbate 80, sugar spheres (composed of corn starch, purified water and sucrose), talc, and triethyl citrate. Hard gelatin capsule shell contains gelatin, iron oxide black, iron oxide red, iron oxide yellow, and titanium dioxide. The capsule shells are printed with edible black ink containing iron oxide black, potassium hydroxide and shellac. FDA approved dissolution test method and specifications differ from USP. doxycycline-str.jpg

Doxycycline, USP is a broad-spectrum antibacterial synthetically derived from oxytetracycline. Doxycycline capsules USP, 100 mg and 75 mg contain doxycycline monohydrate equivalent to 100 mg and 75 mg of doxycycline for oral administration. The chemical designation of the light yellow to pale yellow powder is alpha-6-deoxy-5-oxytetracycline. Structural formula: C 22 H 24 N 2 O 8 • H 2 O M.W. = 462.45 Doxycycline has a high degree of lipid solubility and a low affinity for calcium binding. It is highly stable in normal human serum. Doxycycline will not degrade into an epianhydro form. Inert ingredients: colloidal silicon dioxide; magnesium stearate; microcrystalline cellulose; povidone; sodium starch glycolate; and a hard gelatin capsule which contains gelatin, iron oxide black, iron oxide red, iron oxide yellow, sodium lauryl sulphate and titanium dioxide. The capsule shells of 75 mg are printed with edible black ink containing iron oxide black, potassium hydroxide, propylene glycol and shellac. The cap of 100 mg capsule shells is printed with edible white ink containing potassium hydroxide, propylene glycol, shellac and titanium dioxide. The body of 100 mg capsule shells is printed with edible and brown ink containing iron oxide black, iron oxide brown, potassium hydroxide, propylene glycol and shellac. structure

Doxycycline hyclate, USP is an antibacterial drug synthetically derived from oxytetracycline. The structural formula of doxycycline monohydrate is with a molecular formula of C 22 H 24 N 2 O 8 •H 2 O and a molecular weight of 462.46. The chemical designation for doxycycline is 4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide monohydrate. The molecular formula for doxycycline hydrochloride hemiethanolate hemihydrate is (C 22 H 24 N 2 O 8 •HCl)2•C 2 H 6 O•H 2 O and the molecular weight is 1025.89. Doxycycline hyclate is a yellow to light-yellow powder which is freely soluble in water and in methanol; sparingly soluble in alcohol; practically insoluble in chloroform and in ether. It dissolves in aqueous solutions of alkali hydroxides and carbonates. Doxycycline has a high degree of lipoid solubility and a low affinity for calcium binding. It is highly stable in normal human serum. Doxycycline will not degrade into an epianhydro form. Inert ingredients are croscarmellose sodium, FD&C Blue No. 2 Aluminium Lake, FD&C Yellow No. 6 Aluminium Lake, hydroxypropyl cellulose, hypromellose, magnesium stearate, microcrystalline cellulose, polyethylene glycol 6000, pregelatinized starch, and titanium dioxide. FDA approved dissolution test specifications differ from USP. doxycycline-str.jpg

Doxycycline hyclate, USP is an antibacterial drug synthetically derived from oxytetracycline. The structural formula of doxycycline monohydrate is with a molecular formula of C 22 H 24 N 2 O 8 •H 2 O and a molecular weight of 462.46. The chemical designation for doxycycline is 4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide monohydrate. The molecular formula for doxycycline hydrochloride hemiethanolate hemihydrate is (C 22 H 24 N 2 O 8 •HCl) 2 •C 2 H 6 O•H 2 O and the molecular weight is 1025.89. Doxycycline hyclate is a yellow to light-yellow powder which is freely soluble in water and in methanol; sparingly soluble in alcohol; practically insoluble in chloroform and in ether. It dissolves in aqueous solutions of alkali hydroxides and carbonates. Doxycycline has a high degree of lipoid solubility and a low affinity for calcium binding. It is highly stable in normal human serum. Doxycycline will not degrade into an epianhydro form. Each capsule for oral administration contains doxycycline hyclate equivalent to 50 mg or 100 mg of doxycycline (anhydrous). Inert ingredients are colloidal silicon dioxide, magnesium stearate, microcrystalline cellulose. 50 mg and 100 mg capsule shell contains FD&C Blue No. 1, gelatin, and titanium dioxide. The printing ink contains iron oxide black, potassium hydroxide, propylene glycol and shellac. Structure

Doxycycline hyclate delayed-release tablets, USP contain specially coated pellets of doxycycline hyclate, USP, a tetracycline class drug synthetically derived from oxytetracycline, in a delayed-release formulation for oral administration. The structural formula for doxycycline hyclate, USP is: with a molecular formula of C 22 H 24 N 2 O 8 , HCl, ½ C 2 H 6 O, ½ H 2 O and a molecular weight of 512.9. The chemical name for doxycycline hyclate is [4S(4aR,5S,5aR,6R,12aS)] -4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-deoxonaphthacene-2- carboxamide monohydrochloride, compound with ethyl alcohol (2:1), monohydrate. Doxycycline hyclate, USP is a yellow to light yellow powder, freely soluble in water and in methanol; sparingly soluble in alcohol; practically insoluble in chloroform and in ether. It dissolves in aqueous solutions of alkali hydroxides and carbonates. Doxycycline has a high degree of lipid solubility and a low affinity for calcium binding. It is highly stable in normal human serum. Doxycycline will not degrade into an epianhydro form. Each tablet contains doxycycline 75 mg, 100 mg, 150 mg and 200 mg (equivalent to doxycycline hyclate 86.55 mg, 115.41 mg, 173.11 mg and 230.82). Inactive ingredients in the tablet formulation are: colloidal silicon dioxide, corn starch, croscarmellose sodium, crospovidone, hypromellose, hypromellose phthalate, lactose anhydrous, lactose monohydrate, low substituted hydroxypropyl cellulose, magnesium stearate, microcrystalline cellulose, polyethylene glycol 6000, povidone (K-30), sodium chloride, talc and triethyl citrate. Each doxycycline hyclate delayed-release tablets 75 mg contains 4.7 mg (0.204 mEq) of sodium, each doxycycline hyclate delayed-release tablets 100 mg contains 6.3 mg (0.274 mEq) of sodium, each doxycycline hyclate delayed-release tablets 150 mg contains 9.4 mg (0.409 mEq) of sodium and each doxycycline hyclate delayed-release tablets 200 mg contains 12.6 mg (0.548 mEq) of sodium. This drug product meets USP Dissolution Test 5. structure

Doxycycline hyclate tablets, USP contain doxycycline hyclate, USP, a tetracycline class drug synthetically derived from oxytetracycline, in an immediate release formulation for oral administration. The molecular formula of doxycycline hyclate is (C 22 H 24 N 2 O 8 · HCl) 2 · C 2 H 6 O · H 2 O and the molecular weight of doxycycline hyclate is 1025.87. The chemical name for doxycycline hyclate is: 4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide monohydrochloride, compound with ethyl alcohol (2:1), monohydrate. The structural formula for doxycycline hyclate is: Figure 1: Structure of Doxycycline Hyclate Doxycycline hyclate is a yellow to light yellow powder which is freely soluble in water and in methanol; sparingly soluble in alcohol; practically insoluble in chloroform and in ether. It dissolves in aqueous solutions of alkali hydroxides and carbonates. Doxycycline hyclate tablets are available as 75 mg and 150 mg tablets. Each 75 mg tablet contains 86.559 mg of doxycycline hyclate equivalent to 75 mg of doxycycline. Each 150 mg tablet contains 173.117 mg of doxycycline hyclate equivalent to 150 mg of doxycycline. Inactive ingredients in the tablet formulation are: croscarmellose sodium, magnesium stearate, microcrystalline cellulose and sodium lauryl sulfate. Film-coating contains: FD&C Blue #1 (75 mg Tablet), FD&C Blue #2 (150 mg Tablet), iron oxide yellow, polyethylene glycol 3350, polyvinyl alcohol, talc and titanium dioxide. Doxycycline hyclate tablets, USP meets USP Dissolution Test 3 . Structure

Doxycycline hyclate tablets, USP are available as a 20 mg formulation of doxycycline for oral administration. The structural formula of doxycycline hyclate is: with an empirical formula of (C 22 H 24 N 2 O 8 •HCl) 2 •C 2 H 6 O•H 2 O and a molecular weight of 1025.89. The chemical designation for doxycycline is 4-(dimethylamino)-1,4,4a,5,5a,6,11,12a–octahydro-3,5,10,12,12a–pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide monohydrochloride, compound with ethyl alcohol (2:1), monohydrate. Doxycycline hyclate, USP is a yellow to light-yellow powder which is freely soluble in water and in methanol; sparingly soluble in alcohol; practically insoluble in chloroform and in ether. It dissolves in aqueous solutions of alkali hydroxides and carbonates. Inert ingredients in the formulation are: colloidal silicon dioxide, croscarmellose sodium, lactose anhydrous, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polyvinyl alcohol, talc, and titanium dioxide. Each tablet contains 23 mg of doxycycline hyclate equivalent to 20 mg of doxycycline. Doxycycline hyclate tablets, USP meets USP Dissolution Test 3 . Structure

Entacapone is available as tablets containing 200 mg entacapone, USP. Entacapone is an inhibitor of catechol-O-methyltransferase (COMT), used in the treatment of Parkinson’s disease as an adjunct to levodopa and carbidopa therapy. It is a nitrocatechol-structured compound with a relative molecular mass of 305.29. The chemical name of entacapone is (E)-2-cyano­3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide. Its empirical formula is C 14 H 15 N 3 O 5 and its structural formula is: The inactive ingredients of the entacapone tablets, USP are microcrystalline cellulose, mannitol, croscarmellose sodium, colloidal silicon dioxide, magnesium stearate, hydrogenated vegetable oil, hypromellose, glycerin, titanium dioxide, iron oxide yellow, sucrose, polysorbate 80 and iron oxide red. FDA approved dissolution testing specifications differ from USP. structure

Erlotinib, a kinase inhibitor, is a quinazolinamine with the chemical name N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)-4-quinazolinamine. Erlotinib tablet contains erlotinib as the hydrochloride salt that has the following structural formula: Erlotinib hydrochloride has the molecular formula C 22 H 23 N 3 O 4 .HCl and a molecular weight of 429.9. The molecule has a pKa of 5.42 at 25°C. It is freely soluble in formic acid, very slightly soluble in N,N-Dimethyl formamide and practically insoluble in water. Erlotinib tablets for oral administration are available in three dosage strengths containing erlotinib hydrochloride (27.3 mg, 109.3 mg and 163.9 mg) equivalent to 25 mg, 100 mg and 150 mg erlotinib and the following inactive ingredients: lactose monohydrate, microcrystalline cellulose, sodium starch glycolate, magnesium stearate and sodium lauryl sulfate. The film-coat inactive ingredients are hypromellose, hydroxypropyl cellulose, titanium dioxide and polyethylene glycol 400. Structure

Erythromycin tablets, USP are an antibacterial product containing erythromycin, USP, in a unique, nonenteric film coating for oral administration. Erythromycin Tablets are available in two strengths containing either 250 mg or 500 mg of erythromycin base. Erythromycin is produced by a strain of Saccharopolyspora erythraea (formerly Streptomyces erythraeus ) and belongs to the macrolide group of antibiotics. It is basic and readily forms salts with acids. Erythromycin is a white or slightly yellow, crystalline powder, slightly soluble in water and soluble in alcohol and chloroform. Erythromycin is known chemically as (3R*, 4S*, 5S*, 6R*, 7R*, 9R*, 11R*, 12R*, 13S*, 14R*)-4-[(2,6-dideoxy-3-C-methyl-3-O-methyl-α-L- ribo -hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-6-[[3,4,6-trideoxy-3-(dimethylamino)-β-D- xylo -hexopyranosyl]oxy]oxacyclotetradecane-2,10-dione. The molecular formula is C 37 H 67 NO 13 , and the molecular weight is 733.94. The structural formula is: Inactive Ingredients Microcrystalline cellulose, crospovidone, povidone K 90, hypromellose, poloxamer 188, sodium citrate, croscarmellose sodium, colloidal silicon dioxide, magnesium stearate, hypromellose phthalate, sodium hydroxide, hydroxypropyl cellulose, polyethylene glycol, titanium dioxide, talc, propylene glycol, sorbitan monooleate and D&C Red #30/helendon pink aluminum lake. structure