torrent pharmaceuticals limited - Medication Listings

Penciclovir cream contains penciclovir, an antiviral agent active against herpes viruses. Penciclovir cream is available for topical administration as a 1% white cream. Each gram of penciclovir cream contains 10 mg of penciclovir and the following inactive ingredients: cetostearyl alcohol, mineral oil, polyoxyl 20 cetostearyl ether, propylene glycol, purified water and white petrolatum. Chemically, penciclovir is known as 9-[4-hydroxy-3-(hydroxymethyl)butyl] guanine. Its molecular formula is C 10 H 15 N 5 O 3 ; its molecular weight is 253.26. It is a synthetic acyclic guanine derivative and has the following structure: Figure 1: Structural Formula of Penciclovir Penciclovir is a white to pale yellow solid. At 20°C it has a solubility of 0.2 mg/mL in methanol, 1.3 mg/mL in propylene glycol, and 1.7 mg/mL in water. In aqueous buffer (pH 2) the solubility is 10.0 mg/mL. Penciclovir is not hygroscopic. Its partition coefficient in n-octanol/water at pH 7.5 is 0.024 (logP = -1.62). image description

Pioglitazone and metformin hydrochloride tablets, USP are a thiazolidinediones and biguanide combination product that contains two oral antidiabetic medications: pioglitazone HCl and metformin HCl. Pioglitazone [(±)-5-[[4-[2-(5-ethyl-2-pyridinyl) ethoxy]phenyl]methyl]-2,4-] thiazolidinedione monohydrochloride contains one asymmetric carbon, and the compound is synthesized and used as the racemic mixture. The two enantiomers of pioglitazone interconvert in vivo . No differences were found in the pharmacologic activity between the two enantiomers. The structural formula is as shown: Pioglitazone HCl, USP is an odorless white crystalline powder that has a molecular formula of C 19 H 20 N 2 O 3 S•HCl and a molecular weight of 392.90 daltons. It is soluble in N,N -dimethylformamide, slightly soluble in anhydrous ethanol, very slightly soluble in acetone and acetonitrile, practically insoluble in water, and insoluble in ether. Metformin hydrochloride ( N,N -dimethylimidodicarbonimidic diamide HCl), USP is a white crystalline powder with a molecular formula of C 4 H 11 N 5 •HCl and a molecular weight of 165.62. Metformin HCl is freely soluble in water and is practically insoluble in acetone, ether, and chloroform. The pKa of metformin is 12.4. The pH of a 1% aqueous solution of metformin HCl is 6.68. The structural formula is as shown: Pioglitazone and metformin hydrochloride tablets, USP are available as a tablet for oral administration containing 15 mg pioglitazone (as the base) with 500 mg metformin hydrochloride (15 mg/500 mg) or 15 mg pioglitazone (as the base) with 850 mg metformin hydrochloride (15 mg/850 mg) formulated with the following excipients: croscarmellose sodium, hypromellose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, povidone, talc, and titanium dioxide. 1 2

Pramipexole dihydrochloride tablets contain pramipexole dihydrochloride (as a monohydrate). Pramipexole is a nonergot dopamine agonist. The chemical name of pramipexole dihydrochloride monohydrate is ( S )-2-amino-4,5,6,7-tetrahydro-6-(propylamino)benzothiazole dihydrochloride monohydrate. Its empirical 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 off-white powder substance. Melting occurs in the range of 296°C to 301°C, with decomposition. Pramipexole dihydrochloride USP is more than 20% soluble in water, about 8% in methanol, about 0.5% in ethanol, and practically insoluble in dichloromethane. Pramipexole dihydrochloride tablets, for oral administration, contain 0.125 mg, 0.25 mg, 0.5 mg, 0.75 mg, 1 mg, or 1.5 mg of pramipexole dihydrochloride monohydrate. Inactive ingredients consist of colloidal silicon dioxide, corn starch, ferric oxide red (0.25, 0.5 and 1 mg tablets), ferric oxide yellow (0.25 and 0.75 mg tablets), magnesium stearate, mannitol, povidone K-30 and pregelatinized maize starch. Pramipexole dihydrochloride tablets 0.125 mg : Each tablet contains 0.125 mg pramipexole dihydrochloride USP (in monohydrate form) equivalent to 0.118 mg pramipexole dihydrochloride (in anhydrous basis). Pramipexole dihydrochloride tablets 0.25 mg : Each tablet contains 0.25 mg pramipexole dihydrochloride USP (in monohydrate form) equivalent to 0.235 mg pramipexole dihydrochloride (in anhydrous basis). Pramipexole dihydrochloride tablets 0.5 mg : Each tablet contains 0.5 mg pramipexole dihydrochloride USP (in monohydrate form) equivalent to 0.47 mg pramipexole dihydrochloride (in anhydrous basis). Pramipexole dihydrochloride tablets 0.75 mg : Each tablet contains 0.75 mg pramipexole dihydrochloride USP (in monohydrate form) equivalent to 0.705 mg pramipexole dihydrochloride (in anhydrous basis). Pramipexole dihydrochloride tablets 1 mg : Each tablet contains 1 mg pramipexole dihydrochloride USP (in monohydrate form) equivalent to 0.94 mg pramipexole dihydrochloride (in anhydrous basis). Pramipexole dihydrochloride tablets 1.5 mg : Each tablet contains 1.5 mg pramipexole dihydrochloride USP (in monohydrate form) equivalent to 1.41 mg pramipexole dihydrochloride (in anhydrous basis). 3

Pregabalin USP is described chemically as ( S )-3-(aminomethyl)-5-methylhexanoic acid. The molecular formula is C 8 H 17 NO 2 and the molecular weight is 159.23. The chemical structure of pregabalin is: Pregabalin USP is a white to off-white, crystalline solid with a pK a1 of 4.2 and a pK a2 of 10.6. It is freely soluble in water and both basic and acidic aqueous solutions. The log of the partition coefficient (n-octanol/0.05M phosphate buffer) at pH 7.4 is – 1.35. Pregabalin capsules are administered orally and are supplied as imprinted hard-shell capsules containing 25, 50, 75, 100, 150, 200, 225 and 300 mg of Pregabalin USP, along with corn starch, pregelatinized starch (corn) and talc as inactive ingredients. The capsule shells contain gelatin, sodium lauryl sulfate and titanium dioxide. In addition, the orange capsule shells (In 75, 100, 200, 225 and 300mg) contain red iron oxide. The imprinting ink contains black iron oxide, propylene glycol, potassium hydroxide and shellac. Image

The active ingredient in rabeprazole sodium delayed-release tablets is rabeprazole sodium hydrate, USP, which is a proton pump inhibitor. It is a substituted benzimidazole known chemically as 2-[[[4-(3-methoxypropoxy)-3-methyl-2-pyridinyl]-methyl]sulfinyl]-1 H– benzimidazole sodium salt. It has an empirical formula of C 18 H 20 N 3 NaO 3 S and a molecular weight of 381.42. Rabeprazole sodium hydrate, USP is a white to slightly yellowish-white solid. It is very soluble in water and methanol, freely soluble in ethanol, chloroform, and ethyl acetate and insoluble in ether and n -hexane. The stability of rabeprazole sodium hydrate, USP is a function of pH; it is rapidly degraded in acid media, and is more stable under alkaline conditions. The structural figure is: Rabeprazole sodium hydrate, USP is available for oral administration as delayed-release, enteric-coated tablets containing 20 mg of rabeprazole sodium hydrate, USP. Inactive ingredients of the 20 mg tablet are diethyl phthalate, ethylcellulose, hypromellose phthalate, magnesium oxide, magnesium stearate, mannitol, povidone, sodium starch glycolate, talc, and titanium dioxide. Ferric oxide yellow is the coloring agent for the tablet coating. structure

Rasagiline tablets contain rasagiline (as the mesylate), a propargylamine-based drug indicated for the treatment of idiopathic Parkinson's disease. Rasagiline mesylate is designated chemically as: 1H-Inden-1-amine, 2, 3-dihydro-N-2-propynyl-, (1R)-, methanesulfonate. The empirical formula of rasagiline mesylate is C 12 H 13 N∙CH 4 SO 3 and its molecular weight is 267.34. Its structural formula is: Rasagiline mesylate is a white to off-white powder, freely soluble in methanol and soluble in water. Each rasagiline tablet for oral administration contains 0.5 mg or 1 mg of rasagiline (equivalent to 0.78 mg or 1.56 mg of rasagiline mesylate). Each rasagiline tablet also contains the following inactive ingredients: mannitol, maize starch, pregelatinized starch, colloidal silicon dioxide, stearic acid, and talc. Image

Risperidone tablets, USP, contain risperidone, USP, an atypical antipsychotic belonging to the chemical class of benzisoxazole derivatives. The chemical designation is 3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one. Its molecular formula is C 23 H 27 FN 4 O 2 and its molecular weight is 410.49. The structural formula is: Risperidone, USP is a white to slightly beige powder. It is practically insoluble in water, freely soluble in methylene chloride, and soluble in methanol and 0.1 N HCl. Risperidone tablets, USP are for oral administration and available in 0.25 mg (yellow), 0.5 mg (red), 1 mg (white to off white), 2 mg (Light orange), 3 mg (yellow), and 4 mg (yellow) strengths. Risperidone tablets, USP contain the following inactive ingredients: anhydrous lactose, colloidal silicon dioxide, hypromellose, magnesium stearate, microcrystalline cellulose, polyethylene glycol 400, pregelatinised starch, sodium starch glycolate, talc, titanium dioxide and additional colorants listed below: 0.25, 3 and 4 mg tablets: Ferric oxide yellow 0.5 mg tablets: Ferric oxide red 2 mg tablets: FD&C yellow # 6 Orange yellow S (E 110) Image

Sacubitril and valsartan is a combination of a neprilysin inhibitor and an angiotensin II receptor blocker. Sacubitril and valsartan contain anionic forms of sacubitril and valsartan, sodium cations in the molar ratio of 1:1:3, respectively. Following oral administration, Sacubitril and valsartan dissociates into sacubitril (which is further metabolized to LBQ657) and valsartan. The Sacubitril and valsartan is chemically described as Trisodium (4-{[(1 S ,3 R )-1-([1,1'-biphenyl]-4-ylmethyl)-4-ethoxy-3-methyl-4-oxobutyl]amino}-4-oxobutanoate)-( N -pentanoyl- N -{[(2'-(1 H -tetrazol-1-id-5-yl)[1,1'-biphenyl]-4-yl]methyl}-L-valinate). Its empirical formula is C 48 H 55 N 6 O 8 Na 3 . Its molecular mass is 912.96 g/mol and its schematic structural formula is: Sacubitril and valsartan tablets are available as film-coated tablets for oral administration, containing 24 mg of sacubitril and 26 mg of valsartan; 49 mg of sacubitril and 51 mg of valsartan; and 97 mg of sacubitril and 103 mg of valsartan. The tablet inactive ingredients are crospovidone, low substituted hydroxypropyl cellulose, magnesium stearate, microcrystalline cellulose, povidone, silicon dioxide and talc. The film-coat inactive ingredients are hypromellose, iron oxide red, macrogol/PEG, talc and titanium dioxide. The film-coat for the 24 mg of sacubitril and 26 mg of valsartan tablet and the 97 mg of sacubitril and 103 mg of valsartan tablet also contains iron oxide black. The film-coat for the 49 mg of sacubitril and 51 mg of valsartan tablet contains iron oxide yellow. or Sacubitril and valsartan tablets are available as film-coated tablets for oral administration, containing 24 mg of sacubitril and 26 mg of valsartan; 49 mg of sacubitril and 51 mg of valsartan; and 97 mg of sacubitril and 103 mg of valsartan. The tablet inactive ingredients are crospovidone, low substituted hydroxypropyl cellulose, magnesium stearate, microcrystalline cellulose, povidone, silicon dioxide and talc. The film-coat inactive ingredients are hypromellose, macrogol/PEG, talc and titanium dioxide. The film-coat for the 24 mg of sacubitril and 26 mg of valsartan tablet contains iron oxide black and iron oxide red. Image

Sorafenib, a kinase inhibitor, is the tosylate salt of sorafenib. Sorafenib tosylate has the chemical name 4-(4-{3-[4-Chloro-3-(trifluoromethyl)phenyl]ureido}phenoxy)- N 2 -methylpyridine-2 carboxamide mono(4-methylbenzenesulfonate). The molecular formula of sorafenib tosylate is C 21 H 16 ClF 3 N 4 O 3 x C 7 H 8 O 3 S and the molecular weight of sorafenib tosylate is 637.03 g/mole. Its structural formula is: Sorafenib tosylate,USP is a White to slightly yellowish to brownish powder. Sorafenib tosylate is practically insoluble in aqueous media and in heptane, slightly soluble in ethanol. Sorafenib tablets, USP for oral use are supplied as film-coated tablets containing 200 mg sorafenib equivalent to 274 mg sorafenib tosylate, USP and the following inactive ingredients: croscarmellose sodium, hypromellose, magnesium stearate, microcrystalline cellulose, sodium lauryl sulphate, opadry 04F550007 Red. Opadry 04F550007 Red contains Hypromellose, titanium dioxide, polyethylene glycol and ferric oxide red. FDA approved dissolution test specifications differ from USP. Structure

Sucralfate Oral Suspension contains sucralfate and sucralfate is an α-D-glucopyranoside, β-D-fructofuranosyl-, octakis-(hydrogen sulfate), aluminum complex. Sucralfate Oral Suspension for oral administration contains 1 g of sucralfate per 10 mL. Sucralfate Oral Suspension also contains: colloidal silicon dioxide NF, FD&C Red #40, flavor, glycerin USP, methylcellulose USP, methylparaben NF, microcrystalline cellulose NF, purified water USP, simethicone USP, and sorbitol solution USP. Therapeutic category: antiulcer. Chemical Structure

Tadalafil USP, an oral treatment for pulmonary arterial hypertension, is a selective inhibitor of cyclic guanosine monophosphate (cGMP)-specific phosphodiesterase type 5 (PDE5). Tadalafil has the empirical formula C 22 H 19 N 3 O 4 representing a molecular weight of 389.40. The structural formula is: The chemical designation is pyrazino[1′,2′:1,6]pyrido[3,4-b]indole-1,4-dione, 6-(1,3-benzodioxol-5-yl)- 2,3,6,7,12,12a-hexahydro-2-methyl-, (6R,12aR)-. It is a crystalline solid that is practically insoluble in water, freely soluble in dimethylsulfoxide and slightly soluble in methylene chloride. Tadalafil tablets USP are available as yellow colored, oval shaped, biconvex beveled edge, film coated tablets for oral administration. Each tablet contains 20 mg of tadalafil USP and the following inactive ingredients: croscarmellose sodium, hydroxypropyl cellulose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, Opadry ® II Yellow, and sodium lauryl sulfate. The color coating material contains following ingredients. Strength Coating material Ingredients 20 mg Opadry ® II Yellow HPMC 2910 / Hypromellose, Iron oxide yellow, Lactose monohydrate, Talc, Titanium dioxide, Triacetin. Meets USP dissolution Test 2. Structural Formula

Tadalafil USP is a selective inhibitor of cyclic guanosine monophosphate (cGMP)-specific phosphodiesterase type 5 (PDE5). Tadalafil has the empirical formula C 22 H 19 N 3 O 4 representing a molecular weight of 389.40. The structural formula is: The chemical designation is pyrazino[1′,2′:1,6]pyrido[3,4-b]indole-1,4-dione, 6-(1,3-benzodioxol-5-yl)- 2,3,6,7,12,12a-hexahydro-2-methyl-, (6R,12aR)- 1,3 . It is a crystalline solid that is practically insoluble in water, freely soluble in dimethylsulfoxide and slightly soluble in methylene chloride. Tadalafil tablets USP are available as oval shaped, biconvex beveled edge, film coated tablets for oral administration. Each tablet contains 2.5, 5, 10, or 20 mg of tadalafil USP and the following inactive ingredients: croscarmellose sodium, hydroxypropyl cellulose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, Opadry ® II Yellow, and sodium lauryl sulfate. The color coating material contains following ingredients. Strength Coating material Ingredients 2.5 mg Opadry ® II Yellow HPMC 2910 / Hypromellose, Iron oxide red, Iron oxide yellow, Lactose monohydrate, Talc, Titanium dioxide, Triacetin. 5 mg Opadry ® II Yellow HPMC 2910 / Hypromellose, Iron oxide yellow, Lactose monohydrate, Talc, Titanium dioxide, Triacetin. 10 mg 20 mg Structural formula

Tiopronin delayed-release tablets are a reducing and cystine-binding thiol drug (CBTD) for oral use. Tiopronin is N‑(2‑Mercaptopropionyl) glycine and has the following structure: Tiopronin has the empirical formula C 5 H 9 NO 3 S and a molecular weight of 163.19. In this drug product tiopronin exists as a dl racemic mixture. Tiopronin is a white to off-white color crystalline powder, which is freely soluble in water. Each tiopronin delayed-release tablet contains 100 or 300 mg of tiopronin. The inactive ingredients in tiopronin delayed-release tablets include lactose monohydrate, low substitute hydroxypropyl cellulose, hydroxypropyl cellulose, magnesium stearate, hypromellose 2910, methacrylic acid: ethyl acrylate copolymer (Eudragit L 100-55), talc, triethyl citrate. The imprinting ink contains shellac, ferrosoferric oxide and propylene glycol. structural formula

Tolterodine tartrate extended-release capsules, USP contain tolterodine tartrate, USP. The active moiety, tolterodine, is a muscarinic receptor antagonist. The chemical name of tolterodine tartrate, USP is (R)-N, N-diisopropyl-3-(2-hydroxy-5-methylphenyl)-3-phenylpropanamine L-hydrogen tartrate. The empirical formula of tolterodine tartrate is C 26 H 37 NO 7 . Its structure is: Tolterodine tartrate, USP is a white, crystalline powder with a molecular weight of 475.6. The pK a value is 9.87 and the solubility in water is 12 mg/mL. It is soluble in methanol, slightly soluble in ethanol, and practically insoluble in toluene. The partition coefficient (Log D) between n-octanol and water is 1.83 at pH 7.3. Tolterodine tartrate 4 mg extended-release capsules, USP for oral administration contain 4 mg of tolterodine tartrate, USP. Inactive ingredients are cellulose microcrystalline, ethyl cellulose, FD & C blue 2, gelatin, hypromellose, medium chain triglycerides, oleic acid, sucrose, talc and titanium dioxide. Tolterodine tartrate 2 mg extended-release capsules, USP for oral administration contain 2 mg of tolterodine tartrate, USP, and the following inactive ingredients: cellulose microcrystalline, ethyl cellulose, FD & C blue 2, gelatin, hypromellose, iron oxide yellow, medium chain triglycerides, oleic acid, sucrose, talc and titanium dioxide. Both the 2 mg and 4 mg capsule strengths are imprinted with a pharmaceutical grade printing ink that contains potassium hydroxide, propylene glycol, shellac, strong ammonia solution and titanium dioxide. FDA approved dissolution test specifications differ from USP. structure

Zolpidem tartrate, a gamma-aminobutyric acid (GABA) A receptor positive modulator of the imidazopyridine class. Zolpidem tartrate is available in 5 mg and 10 mg strength tablets for oral administration. Chemically, zolpidem is N,N ,6-trimethyl-2-p-tolylimidazo[1,2-a] pyridine-3-acetamide L-(+)-tartrate (2:1). It has the following structure: Zolpidem tartrate, USP is a white to off-white crystalline powder that is sparingly soluble in water, alcohol, and propylene glycol. It has a molecular weight of 764.88. Each zolpidem tartrate tablet, USP includes the following inactive ingredients: hypromellose, lactose monohydrate, microcrystalline cellulose, magnesium stearate, polyethylene glycol, sodium starch glycolate, titanium dioxide and ferric oxide red; the 10 mg tablet also contains ferric oxide yellow. Image 1