dr. reddy's laboratories limited - Medication Listings

Atorvastatin calcium is a synthetic lipid-lowering agent. Atorvastatin is an inhibitor of 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase. This enzyme catalyzes the conversion of HMG-CoA to mevalonate, an early and rate-limiting step in cholesterol biosynthesis. Atorvastatin calcium is [R-(R*, R*)]-2-(4-fluorophenyl)-ß, δ-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino) carbonyl]-1H-pyrrole-1-heptanoic acid, calcium salt (2:1). The molecular formula of atorvastatin calcium is C 66 H 68 CaF 2 N 4 O 10 and its molecular weight is 1155.36. Its structural formula is: Atorvastatin calcium is a white to off-white colored powder free from visible extraneous matter. Atorvastatin calcium is soluble in dimethyl sulphoxide, slightly soluble in alcohol, very slightly soluble in water, in pH 7.4 phosphate buffer and in acetonitrile and practically insoluble in aqueous solutions of pH 4 and below. Atorvastatin calcium tablets USP, for oral administration contain 10, 20 and 40 mg atorvastatin and the following inactive ingredients: Basic butylated methacrylate copolymer, crospovidone, hydroxy propyl cellulose, lactose monohydrate, magnesium stearate, methanol, microcrystalline cellulose, sodium bicarbonate and sodium lauryl sulphate. The tablet coating contains isopropyl alcohol, methylene chloride and coloring agent opadry OY-58900 white contains polyethylene glycol, titanium dioxide and hypromellose.

Atorvastatin calcium is a synthetic lipid-lowering agent. Atorvastatin is an inhibitor of 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase. This enzyme catalyzes the conversion of HMG-CoA to mevalonate, an early and rate-limiting step in cholesterol biosynthesis. Atorvastatin calcium is [R-(R*, R*)]-2-(4-fluorophenyl)-ß, δ-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino) carbonyl]-1H-pyrrole-1-heptanoic acid, calcium salt (2:1). The molecular formula of atorvastatin calcium is C 66 H 68 CaF 2 N 4 O 10 and its molecular weight is 1155.36. Its structural formula is: Atorvastatin calcium is a white to off-white colored powder free from visible extraneous matter. Atorvastatin calcium is soluble in dimethyl sulphoxide, slightly soluble in alcohol, very slightly soluble in water, in pH 7.4 phosphate buffer and in acetonitrile and practically insoluble in aqueous solutions of pH 4 and below. Atorvastatin calcium tablets USP, for oral administration contain 80 mg atorvastatin and the following inactive ingredients: Basic butylated methacrylate copolymer, crospovidone, hydroxy propyl cellulose, lactose monohydrate, magnesium stearate, methanol, microcrystalline cellulose, sodium bicarbonate and sodium lauryl sulphate. The tablet coating contains lecithin, polyvinyl alcohol, talc, titanium dioxide, and xanthan gum. Atorvastatin calcium tablets meets USP Dissolution Test 2.

Metoprolol succinate, is a beta 1 -selective (cardioselective) adrenoceptor blocking agent, for oral administration, available as extended-release tablets. Metoprolol succinate extended-release tablets USP, have been formulated to provide a controlled and predictable release of metoprolol for once-daily administration. The tablets comprise a multiple unit system containing metoprolol succinate in a multitude of controlled release pellets. Each pellet acts as a separate drug delivery unit and is designed to deliver metoprolol continuously over the dosage interval. The tablets contain 95 mg and 190 mg of metoprolol succinate equivalent to 100 mg and 200 mg of metoprolol tartrate, USP, respectively. Its chemical name is (±)1- (isopropyl amino)-3-[p-(2-methoxyethyl) phenoxy]-2-propanol succinate (2:1) (salt). Its structural formula is: Metoprolol succinate, USP is a white to off white powder with a molecular weight of 652.8. It is freely soluble in water and soluble in methanol. Inactive ingredients: acetyl tributyl citrate, colloidal silicon dioxide, croscarmellose sodium, ethyl cellulose, hydrogenated vegetable oil, hydroxypropyl cellulose, hypromellose, methylene chloride, microcrystalline cellulose, polyethylene glycol, sodium stearyl fumarate, talc and titanium dioxide.

Metoprolol succinate, is a beta 1 -selective (cardioselective) adrenoceptor blocking agent, for oral administration, available as extended-release tablets. Metoprolol succinate extended-release tablets, USP have been formulated to provide a controlled and predictable release of metoprolol for once-daily administration. The tablets comprise a multiple unit system containing metoprolol succinate in a multitude of controlled release pellets. Each pellet acts as a separate drug delivery unit and is designed to deliver metoprolol continuously over the dosage interval. The tablets contain 23.75 mg and 47.5 mg of metoprolol succinate equivalent to 25 mg and 50 mg of metoprolol tartrate, USP, respectively. Its chemical name is (±)1- (isopropyl amino)-3-[p-(2-methoxyethyl) phenoxy]-2-propanol succinate (2:1) (salt). Its structural formula is: Metoprolol succinate, USP is a white to off white powder with a molecular weight of 652.8. It is freely soluble in water and soluble in methanol. Inactive ingredients: acetyl tributyl citrate, colloidal silicon dioxide, croscarmellose sodium, ethyl cellulose, hydrogenated vegetable oil, hydroxypropyl cellulose, hypromellose, methylene chloride, microcrystalline cellulose, polyethylene glycol, sodium stearyl fumarate, talc and titanium dioxide..

The active ingredient in omeprazole delayed-release capsule, USP is a substituted benzimidazole, 5-methoxy-2-[[(4-methoxy-3, 5-dimethyl-2-pyridinyl) methyl] sulfinyl]-1H-benzimidazole, a compound that inhibits gastric acid secretion. Its empirical formula is C 17 H 19 N 3 O 3 S, with a molecular weight of 345.42. The structural formula is: Omeprazole USP is a white to off-white powder. Melts between 150°C and 160°C with decomposition. It is soluble in dichloromethane, sparingly soluble in methanol and in alcohol and very slightly soluble in water. Omeprazole USP is supplied as delayed-release capsules for oral administration. Each delayed-release capsule contains either 10 mg, 20 mg or 40 mg of omeprazole in the form of enteric-coated granules with the following inactive ingredients: crospovidone, hypromellose, magnesium stearate, mannitol, meglumine, methacrylic acid copolymer, poloxamer, povidone and triethyl citrate. The capsule shells contains: D&C Red No. 28, FD&C Blue No. 1, FD&C Red No. 40, FD&C Yellow No. 6, yellow iron oxide, gelatin, silicon dioxide, sodium lauryl sulphate and titanium dioxide. Imprinting ink contains: 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, n-butyl alcohol, pharmaceutical glaze, propylene glycol, SDA-3A alcohol and synthetic black iron oxide. Omeprazole delayed-release capsules meets USP Dissolution Test 2 .

The active ingredient in omeprazole delayed-release capsules, USP is a substituted benzimidazole, 5-methoxy-2-[[(4-methoxy-3, 5-dimethyl-2-pyridinyl) methyl] sulfinyl]-1H-benzimidazole, a compound that inhibits gastric acid secretion. Its empirical formula is C 17 H 19 N 3 O 3 S, with a molecular weight of 345.42. The structural formula is: Omeprazole USP is a white to off-white powder. Melts between 150°C and 160°C with decomposition. It is soluble in dichloromethane, sparingly soluble in methanol and in alcohol and very slightly soluble in water. Omeprazole USP is supplied as delayed-release capsules for oral administration. Each delayed-release capsule contains either 10 mg, 20 mg or 40 mg of omeprazole in the form of enteric-coated granules with the following inactive ingredients: glyceryl monostearate, hypromellose (5cps), meglumine, methacrylic acid copolymer, poloxamer, sugar globules, talc, titanium dioxide, and triethyl citrate. The capsule shells have the following inactive ingredients: black iron oxide, D & C Red 28, FD & C Blue 1, FD & C Red 40, gelatin, potassium hydroxide, propylene glycol, shellac, titanium dioxide, and yellow iron oxide. Omeprazole delayed-release capsules meets USP Dissolution Test 2.

Carvedilol USP is a nonselective β-adrenergic blocking agent with α 1 -blocking activity. It is (±)-1-(Carbazol-4-yloxy)-3-[[2-(o-methoxyphenoxy)ethyl]amino]-2-propanol. Carvedilol USP is a racemic mixture with the following structure: Carvedilol tablets USP are film-coated tablets containing 3.125 mg, 6.25 mg, 12.5 mg or 25 mg of carvedilol. Carvedilol tablets USP 3.125 mg are yellow in color and 6.25 mg, 12.5 mg and 25 mg tablets are white in color. Inactive ingredients consist of colloidal silicon dioxide, crospovidone, hypromellose 2910-5cP, lactose monohydrate, magnesium stearate, polyethylene glycol 400, polysorbate 80, povidone, synthetic yellow iron oxide and titanium dioxide. Carvedilol USP is a white to off-white powder with a molecular weight of 406.5 and a molecular formula of C 24 H 26 N 2 O 4 . It is freely soluble in dimethylsulfoxide; soluble in methylene chloride and methanol; sparingly soluble in 95% ethanol and isopropanol; slightly soluble in ethyl ether; and practically insoluble in water, gastric fluid (simulated, TS, pH 1.1) and intestinal fluid (simulated, TS without pancreatin, pH 7.5). Carvedilol Tablets meet USP Dissolution Test 2. structure

Ibuprofen tablets contain the active ingredient ibuprofen, which is (±) -2 - ( p - isobutylphenyl) propionic acid. Ibuprofen is a white powde rwith a melting point of 74-77° C and is very slightly soluble in water(<1 mg/mL) and readily soluble in organic solvents such as ethanol and acetone. The structural formula is represented below: Ibuprofen, a nonsteroidal anti-inflammatory drug (NSAID), is availablein 400 mg, 600 mg, and 800 mg tablets for oral administration.Inactive ingredients: carnauba wax, colloidal silicon dioxide,croscarmellose sodium, hypromellose, magnesium stearate, microcrystallinecellulose, polydextrose, polyethylene glycol, polysorbate,titanium dioxide.

Donepezil hydrochloride is a reversible inhibitor of the enzyme acetylcholinesterase, known chemically as (±)-2, 3-dihydro-5, 6-dimethoxy2-[[1-(phenylmethyl)-4-piperidinyl]methyl]-1H-inden-1-one hydrochloride. Donepezil hydrochloride is commonly referred to in the pharmacological literature as E2020. It has an molecular formula of C 24 H 29 NO 3 HCl– •H 2 O and a molecular weight of 433.95. Donepezil hydrochloride USP (monohydrate) is a off-white to white crystalline powder and is soluble in chloroform. Donepezil hydrochloride USP (monohydrate) is available for oral administration in film-coated tablets containing 5 or 10 mg of donepezil hydrochloride. Inactive ingredients are hydroxypropyl cellulose, lactose monohydrate, low substituted hydroxypropyl cellulose, magnesium stearate, microcrystalline cellulose, pregelatinized starch. The film coating contains hypromellose, polyethylene glycol and titanium dioxide. Additionally, the 10 mg tablet contains yellow iron oxide (synthetic) as a coloring agent. USP test procedures for Organic Impurities pending.

Donepezil hydrochloride monohydrate USP is a reversible inhibitor of the enzyme acetylcholinesterase, known chemically as (±)-2, 3-dihydro-5, 6-dimethoxy-2-[[1-(phenylmethyl)-4-piperidinyl]methyl]-1H-inden-1-one hydrochloride monohydrate. Donepezil hydrochloride monohydrate USP is commonly referred to in the pharmacological literature as E2020. It has an molecular formula of C 24 H 29 NO 3 HCl.H 2 O and a molecular weight of 433.95. Donepezil hydrochloride monohydrate USP is a off-white to white crystalline powder and is soluble in chloroform, water and in glacial aceticacid, slightly soluble in alcohol and acetonitrile, practically insoluble in ethyl acetate and n-Hexane. Donepezil hydrochloride tablets, USP are available for oral administration in film-coated tablets containing 23 mg of donepezil hydrochloride monohydrate USP. Inactive ingredients are hydroxypropyl cellulose, hypromellose, lactose monohydrate, magnesium stearate and methacrylic acid copolymer. The film coating includes iron oxide red, iron oxide yellow and Opadry OY-58900 White contains hypromellose, polyethylene glycol and titanium dioxide.

Use(s) temporarily relieves these symptoms due to hay fever or other upper respiratory allergies: runny nose itchy, watery eyes sneezing itching of the nose or throat

Allopurinol Tablets is a xanthine oxidase inhibitor. It has the following structural formula: Allopurinol is known chemically as 1,5-dihydro-4H-pyrazolo [3,4-d]pyrimidin-4-one. It is a xanthine oxidase inhibitor which is administered orally. It is available in 100 mg and 300 mg strengths. Inactive Ingredients: lactose, magnesium stearate, starch, povidone. Its solubility in water at 37°C is 800 mg/mL and is greater in an alkaline solution. allo-struct

Atomoxetine HCl is a selective norepinephrine reuptake inhibitor. Atomoxetine hydrochloride is the R (-) isomer as determined by x-ray diffraction. The chemical designation is (-)-N-Methyl-3-phenyl-3-( o -tolyloxy)-propylamine hydrochloride. The molecular formula is C 17 H 21 NO•HCL, which corresponds to a molecular weight of 291.82. The chemical structure is: Atomoxetine hydrochloride USP is a white to practically white solid, which is sparingly soluble in water. Atomoxetine capsules, USP are intended for oral administration only. Each capsule contains atomoxetine hydrochloride USP, equivalent to 10, 18, 25, 40, 60, 80 or 100 mg of atomoxetine. The capsules also contain pregelatinized starch, dimethicone. The capsule shells contain one or more of the following: FD&C Blue No. 2, gelatin, iron oxide red, iron oxide yellow,sodium lauryl sulfate and titanium dioxide. The capsules are imprinted with edible black ink. The edible black ink contains black iron oxide E172, butyl alcohol, dehydrated alcohol, isopropyl alcohol, potassium hydroxide, propylene glycol, shellac and strong ammonia solution.

Bivalirudin for injection contains bivalirudin which is a specific and reversible direct thrombin inhibitor. Bivalirudin is a synthetic, 20 amino acid peptide, with the chemical name of D-phenylalanyl-L-prolyl-L-arginyl-L-prolyl-glycyl-glycyl-glycyl-glycyl-L-asparagyl-glycyl-L-aspartyl-L-phenylalanyl-L-glutamyl-L-glutamyl-L-isoleucyl-L-prolyl-L-glutamyl-L-glutamyl-L-tyrosyl-L-leucine. The active pharmaceutical ingredient is in the form of bivalirudin trifluoroacetate as a white to off-white powder. The chemical name for bivalirudin trifluoroacetate is D-phenylalanyl-L-prolyl-L-arginyl-L-prolyl-glycyl-glycyl-glycyl-glycyl-L-asparagyl-glycyl-L-aspartyl-Lphenylalanyl-L-glutamyl-L-glutamyl-L-isoleucyl-L-prolyl-L-glutamyl-L-glutamyl-L-tyrosyl-L-leucine trifluoroacetate (Figure 1). The molecular weight of bivalirudin is 2180 daltons (anhydrous free base peptide). Figure 1: Structure formula for bivalirudin trifluoroacetate Bivalirudin for injection is supplied as a sterile white lyophilized cake, in single-dose vials. Each vial contains 250 mg bivalirudin, equivalent to an average of 275 mg of bivalirudin trifluoroacetate*, 125 mg mannitol, and sodium hydroxide to adjust the pH to 5 to 6 (equivalent of approximately 12.5 mg sodium). When reconstituted with Sterile Water for Injection, the product yields a clear to opalescent, colorless to pale yellow solution, pH 5 to 6. *The range of bivalirudin trifluoroacetate is 270 mg to 280 mg based on a range of trifluoroacetic acid composition of 1.7 to 2.6 equivalents.

Capecitabine, USP is a nucleoside metabolic inhibitor. The chemical name for capecitabine , USP is 5’-deoxy-5-fluoro-N-[(pentyloxy) carbonyl]-cytidine and has a molecular weight of 359.35. Capecitabine, USP has the following structural formula: Capecitabine, USP is a white to off-white crystalline powder. Freely soluble in methanol, soluble in acetonitrile and in ethanol. Sparingly soluble in water. Capecitabine tablets, USP are supplied as biconvex, oblong film-coated tablets for oral administration. Each light peach-colored tablet contains 150 mg capecitabine and each peach-colored tablet contains 500 mg capecitabine. The inactive ingredients in capecitabine tablets, USP include: anhydrous lactose, croscarmellose sodium, hydroxypropyl methylcellulose, microcrystalline cellulose, magnesium stearate and purified water. The peach or light peach film coating contains hydroxypropyl methylcellulose, talc, titanium dioxide, and synthetic yellow and red iron oxides.

The desloratadine orally disintegrating tablets, USP light red colored, speckled, round, flat, uncoated, beveled edged debossed with “R” on one side and “551” on the other side for the 2.5 mg tablets and a “light red colored, speckled, round, flat, uncoated, beveled edged debossed with “RDY” on one side and “360” on the other side for the 5 mg tablets. Each orally disintegrating tablet contains either 5 mg or 2.5 mg of desloratadine. It also contains the following inactive ingredients: anhydrous citric acid, aspartame, colloidal silicon dioxide, crospovidone, ferric oxide, mannitol, lactose anhydrous, microcrystalline cellulose, polacrilex resin, sodium stearyl fumarate, talc, tutti frutti flavor. Desloratadine, USP is a white to light pink colored powder that is soluble in dichloromethane. It has an molecular formula: C 19 H 19 ClN 2 and a molecular weight of 310.8. The chemical name is 8-chloro-6,11-dihydro-11-(4-piperdinylidene)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine and has the following structure:

Enalapril maleate-hydrochlorothiazide combines an angiotensin converting enzyme inhibitor, enalapril maleate, and a diuretic, hydrochlorothiazide. Enalapril maleate is the maleate salt of enalapril, the ethyl ester of a long-acting angiotensin converting enzyme inhibitor, enalaprilat. Enalapril maleate is chemically described as ( S )-1-[ N -[1-(ethoxycarbonyl ) -3- phenylpropyl]-L-alanyl]-L-proline, (Z)-2-butenedioate salt (1:1). Its molecular formula is C 20 H 28 N 2 O 5 • C 4 H 4 O 4 , and its structural formula is: Enalapril maleate is a white to off-white crystalline powder with a molecular weight of 492.53. It is sparingly soluble in water, soluble in ethanol, and freely soluble in methanol. Enalapril is a pro-drug; following oral administration, it is bioactivated by hydrolysis of the ethyl ester to enalaprilat, which is the active angiotensin converting enzyme inhibitor. Hydrochlorothiazide is 6-chloro-3,4-dihydro-2 H -1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide. Its molecular formula is C 7 H 8 ClN 3 O 4 S 2 , and its structural formula is: It is a white, or practically white, crystalline powder with a molecular weight of 297.74, which is slightly soluble in water, but freely soluble in sodium hydroxide solution. Enalapril maleate and hydrochlorothiazide tablets are available in two tablet combinations of enalapril maleate with hydrochlorothiazide: Enalapril maleate and hydrochlorothiazide tablets 5 mg/12.5 mg, containing 5 mg enalapril maleate and 12.5 mg hydrochlorothiazide and Enalapril maleate and hydrochlorothiazide tablets 10 mg/25 mg, containing 10 mg enalapril maleate and 25 mg hydrochlorothiazide. Inactive ingredients are: lactose monohydrate, pregelatinized starch, starch (corn starch), zinc stearate, and purified water. structure1 structure2

Eszopiclone is a nonbenzodiazepine hypnotic agent that is a pyrrolopyrazine derivative of the cyclopyrrolone class. The chemical name of eszopiclone is (+)-(5S)-6-(5-chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b] pyrazin-5-yl 4-methylpiperazine-1-carboxylate. Its molecular weight is 388.81, and its molecular formula is C 17 H 17 C l N 6 O 3 . Eszopiclone has a single chiral center with an (S)-configuration. It has the following chemical structure: Eszopiclone USP is a white to slightly yellowish powder. Eszopiclone is soluble in methylene chloride, practically insoluble in water and alcohol. It dissolves in dilute mineral acids. Eszopiclone is formulated as film-coated tablets for oral administration. Eszopiclone tablets USP contain 1 mg, 2 mg, or 3 mg eszopiclone and the following inactive ingredients: croscarmellose sodium, hypromellose, lactose monohydrate, magnesium stearate, microcelac 100 (lactose monohydrate and cellulose, microcrystalline), polyethylene glycol and titanium dioxide. In addition, both the 1 mg and 3 mg tablets contain FD&C Blue #2 and triacetin.

Febuxostat is a xanthine oxidase inhibitor. The active ingredient in febuxostat is 2-[3-cyano­-4-(2-methylpropoxy) phenyl]-4-methylthiazole-5-carboxylic acid, with a molecular weight of 316.37. The molecular formula is C 16 H 16 N 2 O 3 S. The chemical structure is: Febuxostat is a white to off white color powder that is freely soluble in dimethylformamide; soluble in dimethylsulfoxide; sparingly soluble in ethanol; slightly soluble in methanol and acetonitrile; and practically insoluble in water. The melting range is 205°C to 208°C. Febuxostat tablets for oral use contain the active ingredient, febuxostat, and are available in two dosage strengths, 40 mg and 80 mg. Inactive ingredients include ammonium hydroxide, colloidal silicon dioxide, croscarmellose sodium, hydroxypropyl cellulose, hypromellose, iron oxide black, iron oxide yellow, magnesium stearate, mannitol, microcrystalline cellulose, polyethylene glycol, propylene glycol, shellac and titanium dioxide.

Fenofibrate capsules USP, is a lipid regulating agent available as capsules for oral administration. Each capsule contains 43 mg or 130 mg of micronized fenofibrate USP. The chemical name for fenofibrate USP is 2-[4-(4-chlorobenzoyl) phenoxy]-2-methyl-propanoic acid, 1-methylethyl ester with the following structural formula: The molecular formula is C 20 H 21 O 4 CI and the molecular weight is 360.83; fenofibrate is insoluble in water. The melting point is 79° to 82°C. Fenofibrate USP is a white or almost white crystalline powder which is sparingly soluble in methanol, ethanol and dimethylformamide. Each capsule contains the labeled amount of fenofibrate USP and the inactive ingredients: ammonio metha copolymer dispersion, D & C yellow No.10, FD & C Blue No. 2, gelatin, hypromellose, iron oxide yellow, iron oxide black, potasium hydroxide, shellac, simethicone emulsion, sodium lauryl sulphate, sugar spheres, talc, titanium dioxide and triethyl citrate. Fenofibrate capsules meets USP Dissolution Test 3.

Use(s) temporarily relieves these symptoms due to hay fever or other upper respiratory allergies: runny nose sneezing itchy, watery eyes itching of the nose or throat temporarily relives nasal congestion due tothe common cold, hay fever or other upper respiratory allergies reduces swelling of nasal passages temporarily relieves sinus congestion and pressure temporarily restores freer breathing through the nose

Finasteride, a synthetic 4-azasteroid compound, is a specific inhibitor of steroid Type II 5α-reductase, an intracellular enzyme that converts the androgen testosterone into 5α-dihydrotestosterone (DHT). Finasteride is 4-azaandrost-1-ene-17-carboxamide, N-(1,1-dimethylethyl)-3-oxo-,(5α,17β)-. The molucular formula of finasteride is C 23 H 36 N 2 O 2 and its molecular weight is 372.55. Its structural formula is: Finasteride USP is a white crystalline powder with a melting point near 250°C. It is freely soluble in chloroform and in lower alcohol solvents, but is practically insoluble in water. Finasteride tablets, USP for oral administration are film-coated tablets that contain 5 mg of finasteride and the following inactive ingredients: docusate sodium, FD& Blue # 2/Indigo Carmine Lake, hypromellose 6cp, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol 400, pregelatinized starch, sodium starch glycolate, titanium dioxide, and yellow iron oxide.

Finasteride tablets USP contain finasteride USP as the active ingredient. Finasteride USP, a synthetic 4-azasteroid compound, is a specific inhibitor of steroid Type II 5α-reductase, an intracellular enzyme that converts the androgen testosterone into 5α-dihydrotestosterone (DHT). The chemical name of finasteride USP is N-tert-Butyl-3-oxo-4-aza-5a-androst-1-ene-17β-carboxamide. The molecular formula of finasteride USP is C 23 H 36 N 2 O 2 and its molecular weight is 372.55. Its structural formula is: Finasteride USP is a white to off-white crystalline solid with a melting point between 251°C to 258°C. It is freely soluble in chloroform and in alcohol. Finasteride tablets USP are film-coated tablets for oral administration. Each tablet contains 1 mg of finasteride USP and the following inactive ingredients: docusate sodium, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol 400, polysorbate 80, pregelatinized starch, red iron oxide, sodium starch glycolate, titanium dioxide and yellow iron oxide.

Fluconazole, the first of a new subclass of synthetic triazole antifungal agents, is available as tablets for oral administration. Fluconazole is designated chemically as 2,4-difluoro-α,α 1 -bis(1H-1,2,4-triazol-1-ylmethyl) benzyl alcohol with a molecular formula of C 13 H 12 F 2 N 6 O and molecular weight of 306.3. The structural formula is: Fluconazole, USP is a white or almost white crystalline powder, which is freely soluble in methanol, soluble in alcohol and in acetone, sparingly soluble in isopropyl alcohol and in chloroform. Slightly soluble in water, very slightly soluble in toluene. Fluconazole tablets, USP contain 50 mg, 100 mg, 150 mg, or 200 mg of fluconazole, USP and the following inactive ingredients: dibasic calcium phosphate anhydrous, ferric oxide (iron oxide, red), magnesium stearate, microcrystalline cellulose, povidone, sodium starch glycolate, and starch. Fluconazole tablets meets USP Dissolution Test 2. structure

Fondaparinux sodium injection is a sterile solution containing fondaparinux sodium. It is a synthetic and specific inhibitor of activated Factor X (Xa). Fondaparinux sodium is methyl O-2-deoxy-6-O-sulfo-2-(sulfoamino)-α-D-glucopyranosyl-(1→4)-O-β-D-glucopyranuronosyl-(1→4)-O-2-deoxy-3,6-di-O-sulfo-2-(sulfoamino)-α-D-glucopyranosyl-(1→4)-O-2-Osulfo-α-L-idopyranuronosyl-(1→4)-2-deoxy-6-O-sulfo-2-(sulfoamino)-α-D-glucopyranoside, decasodium salt. The molecular formula of fondaparinux sodium is C 31 H 43 N 3 Na 10 O 49 S 8 and its molecular weight is 1728. The structural formula is provided below: Fondaparinux sodium is supplied as a sterile, preservative-free injectable solution for subcutaneous use. Each single-dose, prefilled syringe of fondaparinux sodium, affixed with an active needle protection system, contains 2.5 mg of fondaparinux sodium, USP in 0.5 mL, 5.0 mg of fondaparinux sodium, USP in 0.4 mL, 7.5 mg of fondaparinux sodium, USP in 0.6 mL, or 10.0 mg of fondaparinux sodium, USP in 0.8 mL of an isotonic solution of sodium chloride, water for injection. May also contain sodium hydroxide and/or hydrochloric acid as pH adjusters. The final drug product is a clear and colorless to slightly yellow liquid with a pH between 5.5 and 8.0.

Gemcitabine is a nucleoside metabolic inhibitor. Gemcitabine hydrochloride is 2′-deoxy-2′,2′-difluorocytidine monohydrochloride (β-isomer) with the following structural formula: The empirical formula for gemcitabine hydrochloride is C 9 H 11 F 2 N 3 O 4 • HCl. It has a molecular weight of 299.66 g/mol. Gemcitabine HCl, USP is a white to off-white solid. It is soluble in water, slightly soluble in methanol, and practically insoluble in ethanol and polar organic solvents. Gemcitabine for injection, USP is a white to off-white lyophilized powder and available as 200 mg and 1 g sterile single-dose vials for intravenous use only. Each 200 mg vial contains 200 mg gemcitabine hydrochloride (expressed as free base), 200 mg mannitol and 20.73 mg of sodium acetate trihydrate (equivalent to 12.5 mg of sodium acetate anhydrous). Each 1 g vial contains 1 g gemcitabine hydrochloride (expressed as free base), 1 g mannitol, and 103.5 mg of sodium acetate trihydrate (equivalent to 62.5 mg of sodium acetate anhydrous). Hydrochloric acid and/or sodium hydroxide may have been added for pH adjustment. Structural Formula

Glimepiride tablets USP, are an oral sulfonylurea that contains the active ingredient glimepiride USP. Chemically, glimepiride USP is identified as 1-[[p-[2-(3-ethyl-4-methyl-2-oxo-3-pyrroline-1-carboxamido) ethyl]phenyl]sulfonyl]-3-(trans-4-methylcyclohexyl)urea (C 24 H 34 N 4 O 5 S) with a molecular weight of 490.62. Glimepiride USP is a white to almost white powder, soluble in dimethyl formamide, sparingly soluble in methylene chloride, practically insoluble in water. The structural formula is: Glimepiride tablets meets USP drug release test 2. Glimepiride tablets USP, contain the active ingredient glimepiride USP and the following inactive ingredients: lactose monohydrate, magnesium stearate, microcrys­talline cellulose, povidone and sodium starch glycolate. In addition, glimepiride 1 mg tablets contain ferric oxide red, glimepiride 2 mg tablets contain lake blend green (contains D&C yellow # 10 aluminium lake and FD&C blue #1/ brilliant blue FCF aluminium lake) and glimepiride 4 mg tablets contain lake blend blue (contains D&C yellow # 10 aluminium lake and FD&C blue # 1/ brilliant blue FCF aluminium lake).

Glycopyrrolate tablets, USP contain the synthetic anticholinergic,glycopyrrolate. Glycopyrrolate is a quaternary ammonium compound withthe following chemical name: 3-[(cyclopentylhydroxyphenylacetyl)oxy]-1,1-dimethylpyrrolidinium bromide. The structural formula of Glycopyrrolate is represented below: Molecular Formula : C 19 H 28 BrNO 3 Molecular Weight :398.33 Each tablet for oral administration contains 1 mg or 2 mg Glycopyrrolate, USP. Inactive Ingredients: Dibasic Calcium Phosphate, Lactose Monohydrate, Magnesium Stearate, Povidone and Sodium Starch Glycolate.

Use(s) ■ helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bother some mucus and make coughs more productive ■ temporarily relieves nasal congestion due to: ■ common cold ■ hay fever ■ upper respiratory allergies ■ temporarily restores freer breathing through the nose ■ promotes nasal and/or sinus drainage ■ temporarily relieves sinus congestion and pressure

Ibandronate sodium is a nitrogen-containing bisphosphonate that inhibits osteoclast-mediated bone resorption. The chemical name for ibandronate sodium is 3-(N-methyl-N-pentyl) amino-1-hydroxypropane-1,1diphosphonic acid, monosodium salt, with the molecular formula C 9 H 22 NO 7 P 2 Na and a molecular weight of 341. Ibandronate sodium is an off-white to white colored powder. It is sparingly soluble in water. Ibandronate sodium has the following structural formula: Ibandronate sodium tablets are available as a white, capsule shaped 150-mg coated tablets for once-monthly oral administration. One 150 mg coated tablet contains 160.33 mg ibandronate sodium, equivalent to 150 mg of ibandronic acid. Ibandronate sodium tablets also contains the following inactive ingredients: colloidal silicon dioxide, crospovidone, croscarmellose sodium, lactose monohydrate, microcrystalline cellulose, povidone, and sodium stearyl fumarate. The tablet coating contains hypromellose, polyethylene glycol 400, and titanium dioxide. Imprinting ink contains: ammonium hydroxide, black iron oxide, propylene glycol and shellac.

USES for relief of occasional sleeplessness when associated with minor aches and pains helps you fall asleep and stay asleep

Use treats frequent heartburn (occurs 2 or more days a week) not intended for immediate relief of heartburn; this drug may take 1 to 4 days for full effect

Letrozole tablets USP for oral administration contains 2.5 mg of letrozole, a nonsteroidal aromatase inhibitor (inhibitor of estrogen synthesis). It is chemically described as 4,4'-(1H-1,2,4-Triazol-1-ylmethylene)dibenzonitrile, and its structural formula is Letrozole is a white to yellowish crystalline powder, freely soluble in dichloromethane, slightly soluble in alcohol and practically insoluble in water. It has a molecular weight of 285.31, molecular formula C 17 H 11 N 5 , and a melting range of 184°C-185°C. Letrozole tablets USP are available as 2.5 mg tablets for oral administration. Inactive Ingredients. Colloidal Silicon Dioxide, Croscarmellose Sodium, Hypromellose, Lactose Monohydrate, Magnesium stearate, Polyethylene Glycol, Povidone, Talc, Titanium dioxide, and Yellow iron oxide .

Levetiracetam USP is an antiepileptic drug available as beige colored tablets in 250 mg, 500 mg and 750 mg strengths for oral administration. The chemical name of levetiracetam USP, a single enantiomer, is (-)-(S)-a-ethyl-2-oxo-1-pyrrolidine acetamide, its molecular formula is C 8 H 14 N 2 O 2 and its molecular weight is 170.21. Levetiracetam USP is chemically unrelated to existing antiepileptic drugs (AEDs). It has the following structural formula: Levetiracetam USP is a white to off-white crystalline powder. It is very soluble in water, freely soluble in methanol, chloroform and ethanol. Soluble in acetonitrile and practically insoluble in n-hexane. Levetiracetam tablets USP contain the labeled amount of levetiracetam USP. Inactive ingredients: colloidal silicon dioxide, corn starch, magnesium stearate, microcrystalline cellulose, povidone, talc, sodium starch glycolate and coloring agent contains hypromellose 3cp, hypromellose 6cp, iron oxide yellow, iron oxide red, polyethylene glycol 400, polysorbate 80 and titanium dioxide.

Levetiracetam USP is an antiepileptic drug available as beige colored tablets in 1000 mg strength for oral administration. The chemical name of levetiracetam USP, a single enantiomer, is (-)-(S)-a-ethyl-2-oxo-1-pyrrolidine acetamide, its molecular formula is C 8 H 14 N 2 O 2 and its molecular weight is 170.21. Levetiracetam USP is chemically unrelated to existing antiepileptic drugs (AEDs). It has the following structural formula: Levetiracetam USP is a white to off-white crystalline powder. It is very soluble in water, freely soluble in methanol, chloroform and ethanol. Soluble in acetonitrile and practically insoluble in n-hexane. Levetiracetam tablets USP contain the labeled amount of levetiracetam USP. Inactive ingredients: magnesium stearate, povidone, and film coating agent contains hypromellose 3cp, hypromellose 6cp, iron oxide yellow, iron oxide red, polyethylene glycol 400, polysorbate 80 and titanium dioxide.

Levofloxacin tablets are synthetic antibacterial agent for oral administration. Chemically, levofloxacin, a chiral fluorinated carboxyquinolone, is the pure (-)-(S)-enantiomer of the racemic drug substance ofloxacin. The chemical name is (-)-(S)-9fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4benzoxazine-6-carboxylic acid hemihydrate. Figure 1: The Chemical Structure of Levofloxacin The molecular formula is C 18 H 20 FN 3 O 4 • ½ H 2 O and the molecular weight is 370.38. Levofloxacin USP is a light yellowish-white to yellow-white crystal or crystalline powder. The molecule exists as a zwitterion at the pH conditions in the small intestine. The data demonstrate that from pH 0.6 to 5.8, the solubility of levofloxacin is essentially constant (approximately 100 mg/mL). Levofloxacin is considered soluble to freely soluble in this pH range, as defined by USP nomenclature. Above pH 5.8, the solubility increases rapidly to its maximum at pH 6.7 (272 mg/mL) and is considered freely soluble in this range. Above pH 6.7, the solubility decreases and reaches a minimum value (about 50 mg/mL) at a pH of approximately 6.9. Levofloxacin has the potential to form stable coordination compounds with many metal ions. This in vitro chelation potential has the following formation order: Al +3 >Cu +2 >Zn +2 >Mg +2 >Ca +2 . Levofloxacin tablets USP are available as film-coated tablets and contain the following inactive ingredients: 250 mg (as expressed in the anhydrous form): colloidal silicon dioxide, corn starch, crospovidone, hypromellose, magnesium stearate, microcrystalline cellulose, polyethylene glycol and titanium dioxide. 500 mg (as expressed in the anhydrous form): colloidal silicon dioxide, corn starch, crospovidone, FD&C yellow no. 5 aluminum lake, FD&C yellow no. 6 aluminum lake, hypromellose, magnesium stearate, microcrystalline cellulose, polyethylene glycol and titanium dioxide. 750 mg (as expressed in the anhydrous form): colloidal silicon dioxide, corn starch, crospovidone, hypromellose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, synthetic yellow iron oxide and titanium dioxide. Levofloxacin tablets meets USP Dissolution Test 2.

Memantine hydrochloride is an orally active NMDA receptor antagonist. The chemical name for memantine hydrochloride is 1-amino-3,5-dimethyladamantane hydrochloride with the following structural formula: The molecular formula is C 12 H 21 N•HCl and the molecular weight is 215.76. Memantine hydrochloride, USP occurs as a white to off-white colored powder and is slightly soluble in water. Memantine hydrochloride tablets are available for oral administration as capsule-shaped, film-coated tablets containing 5 mg and 10 mg of memantine hydrochloride. The tablets also contain the following inactive ingredients: colloidal silicon dioxide, corn starch, lactose monohydrate, magnesium stearate, povidone and talc. In addition the following inactive ingredients are also present as components of the film coat: hypromellose, polyethylene glycol, titanium dioxide, FD & C Yellow #6 and FD & C blue #2 (5 mg tablets), black iron oxide (10 mg tablets).

Metaxalone Tablets, USP contain 800 mg of metaxalone and the following inactive ingredients: alginic acid, corn starch, ferric oxide red, copovidone, magnesium stearate, povidone, pregelatinized starch, sodium alginate. Metaxalone tablet is a muscle relaxant for oral administration. Chemically, metaxalone is 5-[(3,5- dimethylphenoxy) methyl]-2-oxazolidinone. The empirical formula is C 12 H 15 NO 3 , which corresponds to a molecular weight of 221.25. The structural formula is: Metaxalone, USP is a white to almost white, crystalline powder freely soluble in dichloromethane, soluble in methanol, sparingly soluble in ethanol and ethyl acetate, slightly soluble in toluene and isopropanol, insoluble in water and n-hexane. 1

Moxifloxacin hydrochloride USP is a synthetic antibacterial agent for oral administration. Moxifloxacin, a fluoroquinolone, is available as the monohydrochloride salt of 1-cyclopropyl-7-[(S,S)-2,8-diazabicyclo[4.3.0]non-8-yl]-6-fluoro-8-methoxy-1,4-dihydro-4-oxo-3 quinoline carboxylic acid. It is a slightly yellow to yellow powder or crystals with a molecular weight of 437.9. Its molecular formula is C 21 H 24 FN 3 O 4 *HCl and its chemical structure is as follows 11.1 Moxifloxacin Tablets, USP Moxifloxacin Tablets, USP are available as film-coated tablets containing 400 mg moxifloxacin (equivalent to 436.30 mg moxifloxacin hydrochloride, USP). Inactive ingredients: colloidal silicon dioxide, croscarmellose sodium, hypromellose, iron oxide red, iron oxide yellow, magnesium stearate, microcrystalline cellulose, polyethylene glycol 400, polysorbate 80, sodium stearyl fumarate, talc and titanium dioxide.

The active ingredients of naproxen and esomeprazole magnesium delayed-release tablets are naproxen which is an NSAID and esomeprazole magnesium which is a Proton Pump Inhibitor (PPI). Naproxen and esomeprazole magnesium delayed-release tablets are combination of a nonsteroidal anti-inflammatory drug and a PPI available as modified capsule shaped, off white to yellow colored 375 mg/20 mg and 500 mg/20 mg, multi-layer, delayed-release tablet combining an enteric-coated naproxen core and an immediate-release esomeprazole magnesium layer surrounding the core. Each strength contains either 375 mg of naproxen USP and 20 mg of esomeprazole (equivalent to 20.71 mg esomeprazole magnesium USP amorphous form) or 500 mg of naproxen USP and 20 mg of esomeprazole (equivalent to 20.71 mg esomeprazole magnesium USP amorphous form) for oral administration. The inactive ingredients are ammonium hydroxide, croscarmellose sodium, ferric oxide yellow, hypromellose, iron oxide black, lactose monohydrate, magnesium oxide, magnesium stearate, methacrylic acid copolymer, poloxamer, polyethylene glycol 400, povidone, propylene glycol, shellac glaze, simethicone, sodium hydroxide, sodium lauryl sulphate, talc, titanium dioxide and triethyl citrate. The chemical name for naproxen is (S)-6-methoxy-α-methyl-2-naphthaleneacetic acid. Naproxen has the following structure: Naproxen has a molecular weight of 230.26 and a molecular formula of C 14 H 14 O 3 . Naproxen USP is white to off-white practically odourless crystalline powder. It is soluble in chloroform, in dehydrated alcohol and in alcohol, sparingly soluble in ether and practically insoluble in water. The octanol/water partition coefficient of naproxen at pH 6.48 is 1.5. The chemical name for esomeprazole is bis(5-methoxy-2-[(S)-[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole-1-yl) magnesium amorphous. Esomeprazole is the S-isomer of omeprazole, which is a mixture of the S- and R- isomers. Its molecular formula is (C 17 H 18 N 3 O 3 S) 2 Mg with molecular weight of 713.1. The structural formula is: The esomepraozle magnesium USP is a white to pale cream colored powder. It is slightly soluble in methanol and soluble in N,N-Dimethyl formamide and practically insoluble in heptane and in water. The stability of esomeprazole magnesium is a function of pH; it rapidly degrades in acidic media, but it has acceptable stability under alkaline conditions. At pH 6.8 (buffer), the half-life of the magnesium salt is about 19 hours at 25°C and about 8 hours at 37°C.

Nateglinide is an oral blood glucose-lowering drug of the glinide class. Nateglinide, (-)-N-[(trans-4-isopropylcyclohexane)carbonyl]-D-phenylalanine, is structurally unrelated to the oral sulfonylurea insulin secretagogues. The structural formula is as shown: Nateglinide is an off-white to white powder with a molecular weight of 317.43 g/mol. It is freely soluble in methanol, ethanol, and chloroform, soluble in ether, sparingly soluble in acetonitrile and octanol, and practically insoluble in water. Nateglinide biconvex tablets contain 60 mg, or 120 mg, of nateglinide for oral administration. Inactive Ingredients : carnauba wax, copovidone, croscarmellose sodium, mannitol, silicon dioxide, sodium lauryl sulfate, sodium stearyl fumarate, corn starch and talc.

Nizatidine, USP is a histamine H 2 -receptor antagonist. Chemically, it is N-[2-[[[2-[(dimethylamino)methyl]-4-thiazolyl]methyl]thio]ethyl]-N'-methyl-2-nitro-1,1-ethenediamine. The structural formula is as follows: Nizatidine has the empirical formula C 12 H 21 N 5 O 2 S 2 representing a molecular weight of 331.46. It is an off white to buff crystalline solid that is soluble in water. Nizatidine has a bitter taste and mild sulfur-like odor. Each capsule contains for oral administration 150 mg (0.45 mmol) or 300 mg (0.91 mmol) of nizatidine and the following inactive ingredients: croscarmellose sodium, povidone, starch, dimethicone and talc. The capsule shells contain D&C yellow no. 10, Titanium Dioxide, Gelatin, D&C red no. 28, FD&C blue no. 1, FD&C red no. 40 (for 150 mg) and Titanium Dioxide, Gelatin, D&C yellow no.10, FD&C blue no.1, FD&C red no. 40 (for 300 mg). The imprinting ink contains Shellac, Iron Oxide Black, N-Butyl Alcohol, Propylene Glycol, FD&C blue no. 2, FD&C red no. 40, FD&C blue no. 1, D&C yellow no. 10, SDA 3A Alcohol (for 150 mg) and Shellac, Dehydrated Alcohol, Isopropyl Alcohol, Butyl Alcohol, Propylene Glycol, Strong Ammonia Solution, Black Iron Oxide, Potassium Hydroxide (for 300 mg). Structure

Use • treats frequent heartburn (occurs 2 or more days a week) • not intended for immediate relief of heartburn; this drug may take 1 to 4 days for full effect

The active ingredient in ondansetron tablets is ondansetron hydrochloride as the dihydrate, the racemic form of ondansetron and a selective blocking agent of the serotonin 5-HT 3 receptor type. Chemically it is (±) 1, 2, 3, 9-tetrahydro-9-methyl-3-[(2-methyl-1H-imidazol-1-yl)methyl]-4H-carbazol-4-one, monohydrochloride, dihydrate. It has the following structural formula: The molecular formula is C 18 H 19 N 3 O•HCl•2H 2 O, representing a molecular weight of 365.86 g/mol. Ondansetron HCl dihydrate is a white to off-white powder that is soluble in methanol, sparingly soluble in purified water and in alcohol, and slightly soluble in isopropyl alcohol, in dichloromethane, very slightly soluble in acetone, in chloroform and in ethyl acetate. Each 4 mg ondansetron tablets USP for oral administration contains ondansetron HCl dihydrate equivalent to 4 mg of ondansetron. Each 8 mg ondansetron tablets USP for oral administration contains ondansetron HCl dihydrate equivalent to 8 mg of ondansetron. Each 16 mg ondansetron tablets USP for oral administration contains ondansetron HCl dihydrate equivalent to 16 mg of ondansetron. Each 24 mg ondansetron tablets USP for oral administration contains ondansetron HCl dihydrate equivalent to 24 mg of ondansetron. Each tablet also contains the inactive ingredients colloidal silicon dioxide, hypromellose 2910(5cP) (for the 4 mg and 16 mg tablets only) and hypromellose 2910 (6cP) (for the 8 mg and 24 mg tablets only), iron oxide red and iron oxide black (for the 24 mg tablet only), iron oxide yellow (for the 8 mg and 24 mg tablets only), lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, pregelatinized starch, sodium starch glycolate, and titanium dioxide.

The active ingredient in ondansetron tablets is ondansetron hydrochloride as the dihydrate, the racemic form of ondansetron and a selective blocking agent of the serotonin 5-HT 3 receptor type. Chemically it is (±) 1, 2, 3, 9-tetrahydro-9-methyl-3-[(2-methyl-1H-imidazol-1-yl)methyl]-4H-carbazol-4-one, monohydrochloride, dihydrate. It has the following structural formula: The molecular formula is C 18 H 19 N 3 O•HCl•2H 2 O, representing a molecular weight of 365.86 g/mol. Ondansetron HCl dihydrate USP is a white to off-white powder that is soluble in methanol, sparingly soluble in purified water and in alcohol, and slightly soluble in isopropyl alcohol, in dichloromethane, very slightly soluble in acetone, in chloroform and in ethyl acetate. Each 4 mg ondansetron tablets USP for oral administration contains ondansetron HCl dihydrate USP equivalent to 4 mg of ondansetron. Each 8 mg ondansetron tablets USP for oral administration contains ondansetron HCl dihydrate USP equivalent to 8 mg of ondansetron. Each 16 mg ondansetron tablets USP for oral administration contains ondansetron HCl dihydrate USP equivalent to 16 mg of ondansetron. Each 24 mg ondansetron tablets USP for oral administration contains ondansetron HCl dihydrate USP equivalent to 24 mg of ondansetron. Each tablet also contains the inactive ingredients colloidal silicon dioxide, hypromellose 2910(5cP) (for the 4 mg and 16 mg tablets only) and hypromellose 2910 (6cP) (for the 8 mg and 24 mg tablets only), iron oxide red and iron oxide black (for the 24 mg tablet only), iron oxide yellow (for the 8 mg and 24 mg tablets only), lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, pregelatinized starch, sodium starch glycolate, and titanium dioxide.

Oxaprozin is a nonsteroidal anti-inflammatory drug, available as tablets of 600 mg for oral administration. The chemical name is 4,5-diphenyl-2-oxazole-propionic acid. The molecular weight is 293. Its molecular formula is C 18 H 15 NO 3 , and it has the following chemical structure. Oxaprozin is a white to yellowish-white crystalline powder. It is sparingly soluble in methanol and in ethanol, slightly soluble in ether and practically insoluble in water. The inactive ingredients in oxaprozin include: corn starch, D&C Yellow No. 10, FD&C Yellow No. 6, hydroxypropyl methylcellulose, lactose monohydrate, magnesium stearate, methylcellulose, microcrystalline cellulose, polydextrose, polyethylene glycol, sodium starch glycolate, titanium dioxide and triacetin.

Paricalcitol USP, the active ingredient in paricalcitol capsules, is a synthetically manufactured, metabolically active vitamin D analog of calcitriol with modifications to the side chain (D 2 ) and the A (19-nor) ring. Paricalcitol capsules are available as hard gelatin capsules for oral administration containing 1 microgram, 2 micrograms or 4 micrograms of paricalcitol. Each capsule also contains butylated hydroxytoluene, dehydrated ethanol, medium chain triglycerides and polyoxyl 35 castor oil. The medium chain triglycerides are fractionated from coconut oil or palm kernel oil. The capsule shell is composed of gelatin, sodium lauryl sulfate and titanium dioxide. The gelatin solution is composed of gelatin (210 bloom), red iron oxide (for 1 micrograms and 2 micrograms), yellow iron oxide (for 2 micrograms and 4 micrograms) and polysorbate 80. Paricalcitol is a white to almost white powder with the molecular formula of C 27 H 44 O 3 , which corresponds to a molecular weight of 416.64. Paricalcitol is chemically designated as 19-nor-1α,3β,25-trihydroxy-9,10-secoergosta-5(Z),7(E),22(E)-triene and has the following structural formula:

Pramipexole dihydrochloride extended-release tablets contain pramipexole dihydrochloride (as a monohydrate). Pramipexole is a non-ergot dopamine agonist. The chemical name of pramipexole dihydrochloride monohydrate is ( S )-2-amino-4,5,6,7-tetrahydro-6(propylamino)benzothiazole dihydrochloride monohydrate. Its molecular formula is C 10 H 17 N 3 S · 2HCl · H 2 O, and its molecular weight is 302.26. The structural formula is: Pramipexole dihydrochloride USP is a white to almost white, crystalline powder. It is freely soluble in water, soluble in methanol, slightly soluble in alcohol (99.6%) and practically insoluble in methylene chloride. Melting occurs in the range of 293°C to 306°C, with decomposition. Pramipexole dihydrochloride extended-release tablets 0.375 mg: Each extended-release tablet contains 0.375 mg pramipexole dihydrochloride monohydrate equivalent to 0.352 mg Pramipexole Dihydrochloride, USP. Pramipexole dihydrochloride extended-release tablets 0.75 mg: Each extended-release tablet contains 0.75 mg pramipexole dihydrochloride monohydrate equivalent to 0.705 mg Pramipexole Dihydrochloride, USP. Pramipexole dihydrochloride extended-release tablets 1.5 mg: Each extended-release tablet contains 1.5 mg pramipexole dihydrochloride monohydrate equivalent to 1.41 mg Pramipexole Dihydrochloride, USP. Pramipexole dihydrochloride extended-release tablets 3 mg: Each extended-release tablet contains 3 mg pramipexole dihydrochloride monohydrate equivalent to 2.82 mg Pramipexole Dihydrochloride, USP. Pramipexole dihydrochloride extended-release tablets 4.5 mg: Each extended-release tablet contains 4.5 mg pramipexole dihydrochloride monohydrate equivalent to 4.23 mg Pramipexole Dihydrochloride, USP. Inactive ingredients for all strengths of pramipexole dihydrochloride extended-release tablets consist of carbomer homopolymer, colloidal silicon dioxide, hypromellose, magnesium stearate, microcrystalline cellulose and pregelatinized starch.

Chemical name: 5-ethyldihydro- 5-phenyl-4,6 (1H, 5H) pyrimidinedione. Structural formula: C 12 H 14 N 2 O 2 M.W. 218.25 Primidone is a white crystalline powder, M.P. 279-284°C. It is very slightly soluble in methanol and methylene dichloride, slightly soluble in alcohol and insoluble in water. It possesses no acidic properties, in contrast to its barbiturate analog. Primidone tablets 50 mg and 250 mg contain the following inactive ingredients: lactose monohydrate, magnesium stearate, methyl cellulose, purified water, sodium lauryl sulphate, sodium starch glycolate and talc. Primidone tablets 250 mg also contain yellow iron oxide.

Use(s) relieves heartburn associated with acid indigestion and sour stomach prevents heartburn associated with acid indigestion and sour stomach brought on by eating or drinking certain foods and beverages