american health packaging - Medication Listings

Phenytoin is related to the barbiturates in chemical structure, but has a five-membered ring. The chemical name is 5,5-diphenyl-2,4 imidazolidinedione, having the following structural formula: Each 5 mL of the oral suspension contains 125 mg of phenytoin, USP; carboxymethylcellulose sodium, citric acid anhydrous, FD&C yellow no. 6, magnesium aluminum silicate, orange flavor spray dry natural and artificial, polysorbate 60, purified water, sodium benzoate, sucrose and vanilla flavored powder artificial. Structural Formula

Phenytoin is related to the barbiturates in chemical structure, but has a five-membered ring. The chemical name is 5,5-diphenyl-2,4 imidazolidinedione, having the following structural formula: Each phenytoin chewable tablet, USP for oral administration, contains 50 mg phenytoin, USP. Also contains: Artificial banana flavor, compressible sugar, D&C yellow No. 10 aluminum lake, FD&C yellow No. 6 aluminum lake, hypromellose 2208, lactose monohydrate, magnesium stearate, saccharin sodium, and talc. Chemical Structure

Phytonadione is a vitamin K replacement, which is a clear, yellow to amber, very viscous, odorless or practically odourless liquid. It is soluble in dehydrated alcohol, benzene, chloroform and ether; slightly soluble in alcohol (96%) and insoluble in water. It has a molecular weight of 450.70 g/mol. Phytonadione is 1,4-Naphthalenedione, 2-methyl-3-(3,7,11,15-tetramethyl-2-hexadecenyl)-,[R-[R*,R*-(E)]]. Its molecular formula is C 31 H 46 O 2 and its structural formula is: Phytonadione tablets, USP for oral administration contain 5 mg of phytonadione, USP and are light yellow to yellow colored, round, scored tablets, debossed with “AA” and “05” on either side of scoring and plain on the other side. Inactive ingredients are acacia, anhydrous dibasic calcium phosphate, colloidal silicon dioxide, lactose monohydrate, magnesium stearate, pregelatinized starch, and talc. chemical structure

Pilocarpine Hydrochloride Tablets contain pilocarpine hydrochloride, a cholinergic agonist for oral use. Pilocarpine hydrochloride is a hygroscopic, odorless, bitter tasting white crystal or powder which is soluble in water and alcohol and virtually insoluble in most non-polar solvents. Pilocarpine hydrochloride, with a chemical name of (3 S-cis )-2(3 H )-Furanone, 3-ethyldihydro-4-[(1-methyl-1 H -imidazol-5-yl) methyl] monohydrochloride, has a molecular weight of 244.72. Each 5 mg Pilocarpine Hydrochloride Tablet for oral administration contains 5 mg of pilocarpine hydrochloride. Inactive ingredients in the tablet, the tablet's film coating, and polishing are: carnauba wax, hypromellose, microcrystalline cellulose, stearic acid, titanium dioxide and other ingredients. Each 7.5 mg Pilocarpine Hydrochloride Tablet for oral administration contains 7.5 mg of pilocarpine hydrochloride. Inactive ingredients in the tablet, the tablet's film coating, and polishing are: carnauba wax, hypromellose, microcrystalline cellulose, stearic acid, titanium dioxide, FD&C blue # 2 aluminum lake, and other ingredients. Strructural Formula

Pioglitazone Tablets USP are a thiazolidinedione and an agonist for peroxisome proliferator-activated receptor (PPAR) gamma that contains an oral antidiabetic medication: pioglitazone. 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: C 19 H 20 N 2 O 3 S•HCl M.W. 392.90 Pioglitazone hydrochloride, USP is an odorless white crystalline powder. 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. Pioglitazone Tablets USP are available for oral administration containing 15 mg, 30 mg, or 45 mg of pioglitazone (as the base) formulated with the following excipients: carboxymethylcellulose calcium, hydroxypropyl cellulose, magnesium stearate, and mannitol. Chemical Structure

Uses relieves occasional constipation (irregularity) generally produces a bowel movement in 1 to 3 days

Posaconazole is an azole antifungal agent. Posaconazole is available as delayed-release tablet intended for oral administration. Posaconazole is designated chemically as 4-[4-[4-[4-[[(3 R ,5 R )-5-(2,4-difluorophenyl)tetrahydro-5-(1 H -1,2,4-triazol-1-ylmethyl)-3-furanyl]methoxy]phenyl]-1-piperazinyl]phenyl]-2-[(1 S ,2 S )-1-ethyl-2-hydroxypropyl]-2,4-dihydro-3 H -1,2,4-triazol-3-one with an empirical formula of C 37 H 42 F 2 N 8 O 4 and a molecular weight of 700.8. The chemical structure is: Posaconazole is a white powder with a low aqueous solubility. Posaconazole delayed-release tablet is a yellow, coated, oblong tablet, debossed with “100” on one side containing 100 mg of posaconazole. Each delayed-release tablet contains the inactive ingredients: hypromellose acetate succinate, microcrystalline cellulose, hydroxypropyl cellulose, croscarmellose sodium, colloidal silicon dioxide, magnesium stearate, polyvinyl alcohol partially hydrolyzed, titanium dioxide, macrogol/polyethylene glycol 3350, talc and iron oxide yellow. Structural Formula

Potassium Chloride is a white crystalline or colorless solid. It is soluble in water and slightly soluble in alcohol. Chemically, Potassium Chloride is K-Cl with a molecular mass of 74.55. Each pouch of light pink to orange color powder contains 1.5 g of potassium chloride, USP, which is equivalent to potassium 20 mEq and chloride 20 mEq and the following inactive ingredients: citric acid anhydrous, colloidal silicon dioxide, FD&C Yellow #6, natural and artificial orange flavor, and sucralose.

Potassium chloride, USP is a white crystalline powder or colorless crystals. It is freely soluble in water and practically insoluble in ethanol. Chemically, potassium chloride, USP is K-Cl with a molecular mass of 74.55. Oral Solution 10%: Each 15 mL of solution contains 1.5 g of potassium chloride, USP and the following inactive ingredients: citric acid anhydrous, FD&C Yellow No. 6, glycerin, methylparaben, natural & artificial orange flavor, propylene glycol, propylparaben, purified water, sodium citrate dihydrate, sucralose. Oral Solution 20%: Each 15 mL of solution contains 3.0 g of potassium chloride, USP and the following inactive ingredients: citric acid anhydrous, FD&C Yellow No. 6,glycerin, methylparaben, natural & artificial orange flavor, propylene glycol, propylparaben, purified water, sodium citrate dihydrate, sucralose.

Potassium chloride extended-release tablets USP are a solid oral dosage form of potassium chloride. Each contains 600 mg or 750 mg of potassium chloride equivalent to 8 mEq or 10 mEq of potassium in a wax matrix tablet. Potassium chloride extended-release tablets USP are an electrolyte replenisher. The chemical name is potassium chloride, and the structural formula is KCl. Potassium chloride, USP is a white, crystalline powder or colorless crystals. It is odorless and has a saline taste. Its solutions are neutral to litmus. It is freely soluble in water and practically insoluble in ethanol. Inactive Ingredients: Colloidal silicon dioxide, hydrogenated vegetable oil, magnesium stearate, polyethylene glycol, polyvinyl alcohol, talc and titanium dioxide. In addition, the 8 mEq tablets contain iron oxide red. FDA approved acceptance criteria for assay differs from USP test. Meets USP Dissolution Test 5.

Potassium chloride, USP is a white crystalline powder or colorless crystals. It is freely soluble in water and practically insoluble in ethanol. Chemically, potassium chloride, USP is K-Cl with a molecular mass of 74.55. Oral Solution 10%: Each 15 mL of solution contains 1.5 g of potassium chloride, USP and the following inactive ingredients: citric acid anhydrous, FD&C Yellow No. 6, glycerin, methylparaben, natural & artificial orange flavor, propylene glycol, propylparaben, purified water, sodium citrate dihydrate, sucralose. Oral Solution 20%: Each 15 mL of solution contains 3.0 g of potassium chloride, USP and the following inactive ingredients: citric acid anhydrous, FD&C Yellow No. 6, glycerin, methylparaben, natural & artificial orange flavor, propylene glycol, propylparaben, purified water, sodium citrate dihydrate, sucralose.

Potassium chloride extended-release capsules, USP, are an oral dosage form of microencapsulated potassium chloride containing 600 mg and 750 mg of potassium chloride, USP, equivalent to 8 mEq and 10 mEq of potassium, respectively. The chemical name of the active ingredient is potassium chloride and the structural formula is KCl. It has a molecular mass of 74.55. Potassium chloride, USP, occurs as a white granular powder or as colorless crystals. It is odorless and has a saline taste. Its solutions are neutral to litmus. It is freely soluble in water and insoluble in alcohol. Inactive ingredients: ethylcellulose, gelatin, magnesium stearate, sodium lauryl sulfate, titanium dioxide and edible black ink. The 10 mEq capsules also contain black iron oxide, FD&C blue No.1 and FD&C red No.3.

The Potassium Chloride Extended-Release Tablets, USP 20 mEq product is an immediately dispersing extended-release oral dosage form of potassium chloride containing 1500 mg of microencapsulated potassium chloride, USP equivalent to 20 mEq of potassium in a tablet. The Potassium Chloride Extended-Release Tablets, USP 10 mEq product is an immediately dispersing extended release oral dosage form of potassium chloride containing 750 mg of microencapsulated potassium chloride, USP equivalent to 10 mEq of potassium in a tablet. These formulations are intended to slow the release of potassium so that the likelihood of a high localized concentration of potassium chloride within the gastrointestinal tract is reduced. Potassium chloride is an electrolyte replenisher. The chemical name of the active ingredient is potassium chloride, and the structural formula is KCl. Potassium chloride, USP occurs as a white, granular powder or as colorless crystals. It is odorless and has a saline taste. Its solutions are neutral to litmus. It is freely soluble in water and insoluble in alcohol. Potassium chloride is a tablet formulation (not enteric coated or wax matrix) containing individually microencapsulated potassium chloride crystals which disperse upon tablet disintegration. In simulated gastric fluid at 37°C and in the absence of outside agitation, potassium chloride tablets begin disintegrating into microencapsulated crystals within seconds and completely disintegrate within 1 minute. The microencapsulated crystals are formulated to provide an extended release of potassium chloride. Inactive Ingredients: Acetyltributyl citrate, crospovidone, ethylcellulose, and microcrystalline cellulose. USP dissolution test is pending.

The Potassium Chloride Extended Release Tablets, USP, 10 mEq product is an immediately dispersing extended release oral dosage form of potassium chloride containing 750 mg of microencapsulated potassium chloride, USP equivalent to 10 mEq of potassium in a tablet. These formulations are intended to slow the release of potassium so that the likelihood of a high localized concentration of potassium chloride within the gastrointestinal tract is reduced. Potassium Chloride Extended Release Tablets, USP, 10mEq are an electrolyte replenisher. The chemical name of the active ingredient is potassium chloride, and the structural formula is KCl. Potassium chloride, USP occurs as a white, granular powder or as colorless crystals. It is odorless and has a saline taste. Its solutions are neutral to litmus. It is freely soluble in water and insoluble in alcohol. Potassium Chloride Extended Release Tablets, USP, 10mEq are a tablet formulation (not enteric coated or wax matrix) containing individually microencapsulated potassium chloride crystals which disperse upon tablet disintegration. In simulated gastric fluid at 37°C and in the absence of outside agitation, Potassium Chloride Extended Release Tablets, USP, 10 mEq begin disintegrating into micro-encapsulated crystals within seconds and completely disintegrates within 1 minute. The microencapsulated crystals are formulated to provide an extended release of potassium chloride. FDA approved dissolution test specifications differ from USP. Inactive Ingredients: Colloidal silicon dioxide, crospovidone, diethyl phthalate, ethylcellulose, microcrystalline cellulose.

Potassium citrate is a citrate salt of potassium. Its molecular formula is K 3 C 6 H 5 O 7 • H 2 O, and it has the following chemical structure: Potassium citrate, USP is a transparent crystals or white, granular powder. It is freely soluble in water and slightly soluble in alcohol. Potassium citrate extended-release tablets, USP intended for oral administration, each contains 5 mEq (540 mg), 10 mEq (1,080 mg) or 15 mEq (1,620 mg) of potassium citrate, USP as monohydrate. In addition, each tablet contains the following inactive ingredients: carnauba wax and magnesium stearate. Meets USP Dissolution Test 2 Potassium citrate

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, USP 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, USP 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, USP 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, USP 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, USP 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, USP form) equivalent to 1.41 mg pramipexole dihydrochloride (in anhydrous basis). Structural Formula

Prasugrel tablets USP contain prasugrel, a thienopyridine class inhibitor of platelet activation and aggregation mediated by the P2Y 12 ADP receptor. Prasugrel is formulated as the hydrochloride salt, a racemate, which is chemically designated as 5-[(1RS)-2-cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl]-4,5,6,7-tetrahydrothieno[3,2-c]pyridin-2-yl acetate hydrochloride. Prasugrel hydrochloride USP has the molecular formula C 20 H 20 FNO 3 S•HCl representing a molecular weight of 409.90. The chemical structure of prasugrel hydrochloride USP is: Prasugrel hydrochloride USP is a white to practically white powder. It is freely soluble in methanol, practically insoluble in water. Prasugrel tablets USP are available for oral administration as 5 mg or 10 mg elongated hexagonal, film-coated, non-scored tablets, debossed on each side. Each yellow 5 mg tablet is manufactured with 5.49 mg prasugrel hydrochloride USP, equivalent to 5 mg prasugrel and each beige 10 mg tablet with 10.98 mg prasugrel hydrochloride USP, equivalent to 10 mg of prasugrel. Other ingredients include glyceryl dibehenate, hypromellose, lactose monohydrate, low substituted hydroxypropyl cellulose, mannitol, microcrystalline cellulose, sucrose stearate, titanium dioxide, triacetin, and yellow iron oxide. In addition, the 10 mg tablets contain red iron oxide. Chemical Structure

Pravastatin Sodium Tablets, USP is a statin, an inhibitor of 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase. Pravastatin sodium, USP is designated chemically as 1-Naphthaleneheptanoic acid, 1,2,6,7,8,8a-hexahydro-b,d,6-trihydroxy-2- methyl-8-(2-methyl-1-oxobutoxy)-, monosodium salt, [1S-[1α(βS*,δS*),2α,6α,8β(R*),8aα]]-. Structural formula: Pravastatin sodium, USP is an odorless, white to off-white, fine or crystalline powder. It is a relatively polar hydrophilic compound with a partition coefficient (octanol/water) of 0.59 at a pH of 7.0. It is soluble in methanol and water (>300 mg/mL), slightly soluble in isopropanol, and practically insoluble in acetone, acetonitrile, chloroform, and ether. Pravastatin Sodium Tablets, USP for oral use contain 10 mg, 20 mg, 40 mg, and 80 mg pravastatin sodium, which is equivalent to 9.48 mg, 18.97 mg, 37.94 mg and 75.88 mg of pravastatin, respectively. Inactive ingredients include: colloidal silicon dioxide, crospovidone, hydroxypropyl methylcellulose, magnesium stearate, mannitol, meglumine, microcrystalline cellulose and starch. The 10 mg, 20 mg and 80 mg tablets also contain D&C yellow no. 10 aluminum lake and the 40 mg tablet also contains D&C yellow no. 10 aluminum lake and FD&C blue no. 1 aluminum lake. STRUCTURE

Pravastatin Sodium Tablets, USP is a statin, an inhibitor of 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase. Pravastatin sodium, USP is designated chemically as 1-Naphthaleneheptanoic acid, 1,2,6,7,8,8a-hexahydro-β,δ,6-trihydroxy-2-methyl-8-(2-methyl-1-oxobutoxy)-, monosodium salt, [1S-[1α(βS*,δS*),2α,6α,8β(R*),8aα]]-. Structural formula: Pravastatin sodium, USP is an odorless, white to off-white, fine or crystalline powder. It is a relatively polar hydrophilic compound with a partition coefficient (octanol/water) of 0.59 at a pH of 7.0. It is soluble in methanol and water (>300 mg/mL), slightly soluble in isopropanol, and practically insoluble in acetone, acetonitrile, chloroform, and ether. Pravastatin Sodium Tablets, USP for oral use contain 10 mg, 20 mg, 40 mg, and 80 mg pravastatin sodium, which is equivalent to 9.48 mg, 18.97 mg, 37.94 mg and 75.88 mg of pravastatin, respectively. Inactive ingredients include: colloidal silicon dioxide, crospovidone, hydroxypropyl methylcellulose, magnesium stearate, mannitol, meglumine, microcrystalline cellulose and starch. The 10 mg, 20 mg and 80 mg tablets also contain D&C yellow no. 10 aluminum lake and the 40 mg tablet also contains D&C yellow no. 10 aluminum lake and FD&C blue no. 1 aluminum lake. Structural Formula

Prazosin hydrochloride, USP a quinazoline derivative, is the first of a new chemical class of antihypertensives. It is the hydrochloride salt of 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-(2-furoyl) piperazine and its structural formula is: C 19 H 21 N 5 O 4 •HCl M.W. 419.87 It is a white, crystalline substance, slightly soluble in water and isotonic saline. Each capsule for oral administration, contains prazosin hydrochloride, USP equivalent to 1 mg, 2 mg or 5 mg of prazosin. Inactive ingredients include: anhydrous lactose, magnesium stearate, and pregelatinized starch. Additional inactive ingredients for the gelatin capsule include: 1 mg (Ivory): D&C Yellow No. 10 and titanium dioxide; 2 mg (Pink): FD&C Blue No. 1, FD&C Red No. 40, D&C Red No. 28, and titanium dioxide; 5 mg (Light Blue): FD&C Blue No. 1 and titanium dioxide. Structural Formula

Prazosin hydrochloride, USP a quinazoline derivative, is the first of a new chemical class of antihypertensives. It is the hydrochloride salt of 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-(2-furoyl) piperazine and its structural formula is: C 19 H 21 N 5 O 4 •HCl M.W. 419.87 It is a white, crystalline substance, slightly soluble in water and isotonic saline. Each capsule for oral administration, contains prazosin hydrochloride, USP equivalent to 1 mg, 2 mg or 5 mg of prazosin. Inactive ingredients include: anhydrous lactose, magnesium stearate, and pregelatinized starch. Additional inactive ingredients for the gelatin capsule include: 1 mg (Ivory): D&C Yellow No. 10 and titanium dioxide; 2 mg (Pink): FD&C Blue No. 1, FD&C Red No. 40, D&C Red No. 28, and titanium dioxide; 5 mg (Light Blue): FD&C Blue No. 1 and titanium dioxide. Structural Formula

Pregabalin 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 is a white or almost white powder with a pK a1 of 4.4 and a pK a2 of 10.1. It is freely soluble in water and both basic and acidic aqueous solutions. The log of the partition coefficient (Octanol: Water) is – 1.0. 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, along with pregelatinized starch and talc as inactive ingredients. The capsule shells contain gelatin, sodium lauryl sulfate and titanium dioxide. In addition, the orange & red capsule shells contain red iron oxide. The imprinting ink contains shellac, black iron oxide, propylene glycol, and potassium hydroxide. Structural Formula

Anticonvulsant Chemical name: 5-ethyldihydro-5-phenyl-4,6 (1 H ,5 H )-pyrimidinedione. Structural formula: Primidone is a white, crystalline, highly stable substance, M.P. 279 -284°C. It is poorly soluble in water (60 mg per 100 mL at 37°C) and in most organic solvents. It possesses no acidic properties, in contrast to its barbiturate analog. Each tablet, for oral administration, contains either 50 mg or 250 mg of primidone. In addition, each tablet contains the following inactive ingredients: lactose monohydrate, methylcellulose, acacia, sodium starch glycolate, and magnesium stearate. Structural Formula

Prochlorperazine, USP is a phenothiazine derivative, present in prochlorperazine maleate tablets, USP as the maleate. Prochlorperazine maleate is designated chemically as 10H-phenothiazine, 2-chloro-10-[3-(4-methyl-1-piperazinyl)propyl]-, (Z)-2-butenedioate (1:2) and has the following structure: Molecular formula: C 20 H 24 CIN 3 S•2C 4 H 4 O 4 Molecular weight: 606.09 g/mol Prochlorperazine maleate is classified as an anti-emetic and antipsychotic agent. Prochlorperazine maleate, USP is a white to pale yellow color powder. It is sparingly soluble in dimethyl sulfoxide, practically insoluble in water and in alcohol. Each film-coated tablet contains prochlorperazine maleate USP, 8.104 mg or 16.208 mg equivalent to prochlorperazine USP, 5 mg or 10 mg respectively. In addition, each tablet contains the following inactive ingredients: D&C yellow # 10 aluminum lake, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polysorbate 80, pregelatinized starch and titanium dioxide. Structural Formula

Each tablet of promethazine hydrochloride contains 12.5 mg, 25 mg, or 50 mg promethazine hydrochloride. The inactive ingredients present are hydroxypropyl cellulose, lactose monohydrate, low-substituted hydroxypropyl cellulose and magnesium stearate. Promethazine hydrochloride is a racemic compound; the molecular formula is C 17 H 20 N 2 S·HCl and its molecular weight is 320.88. Promethazine hydrochloride, a phenothiazine derivative, is designated chemically as 10H -Phenothiazine-10-ethanamine, N , N ,α-trimethyl-, monohydrochloride, (±)- with the following structural formula: Promethazine hydrochloride occurs as a white to faint yellow, practically odorless, crystalline powder which slowly oxidizes and turns blue on prolonged exposure to air. It is freely soluble in water, in hot dehydrated alcohol, and in chloroform; practically insoluble in ether, in acetone and in ethyl acetate. Structured product formula for Promethazine

Each tablet of promethazine hydrochloride contains 12.5 mg, 25 mg, or 50 mg promethazine hydrochloride. The inactive ingredients present are hydroxypropyl cellulose, lactose monohydrate, low-substituted hydroxypropyl cellulose and magnesium stearate. Promethazine hydrochloride is a racemic compound; the molecular formula is C 17 H 20 N 2 S·HCl and its molecular weight is 320.88. Promethazine hydrochloride, a phenothiazine derivative, is designated chemically as 10H -Phenothiazine-10-ethanamine, N , N ,α-trimethyl-, monohydrochloride, (±)- with the following structural formula: Promethazine hydrochloride occurs as a white to faint yellow, practically odorless, crystalline powder which slowly oxidizes and turns blue on prolonged exposure to air. It is freely soluble in water, in hot dehydrated alcohol, and in chloroform; practically insoluble in ether, in acetone and in ethyl acetate. Structural Formula

Propafenone hydrochloride tablets, USP are an antiarrhythmic drug supplied in scored, film-coated tablets of 150, 225 and 300 mg for oral administration. Propafenone has some structural similarities to beta-blocking agents. Chemically, propafenone hydrochloride (HCl) is 2'-[2-Hydroxy-3-(propylamino)- propoxy]-3-phenylpropiophenone hydrochloride, with a molecular weight of 377.92. The molecular formula is C 21 H 27 NO 3 •HCl. The structural formula of propafenone HCl is given below: Propafenone HCl occurs as colorless crystals or white crystalline powder with a very bitter taste. It is slightly soluble in water (20°C), chloroform and ethanol. The following inactive ingredients are contained in the tablet: hypromellose, magnesium stearate, microcrystalline cellulose, povidone, pregelatinized corn starch, sodium starch glycolate, macrogol, talc, titanium dioxide, glycerol monocaprylocaprate and polyvinyl alcohol. This is the structural formula for Propafenone HCl.

Propafenone hydrochloride tablets, USP are an antiarrhythmic drug supplied in scored, film-coated tablets of 150, 225 and 300 mg for oral administration. Propafenone has some structural similarities to beta-blocking agents. Chemically, propafenone hydrochloride (HCl) is 2'-[2-Hydroxy-3-(propylamino)- propoxy]-3-phenylpropiophenone hydrochloride, with a molecular weight of 377.92. The molecular formula is C 21 H 27 NO 3 •HCl. The structural formula of propafenone HCl is given below: Propafenone HCl occurs as colorless crystals or white crystalline powder with a very bitter taste. It is slightly soluble in water (20°C), chloroform and ethanol. The following inactive ingredients are contained in the tablet: hypromellose, magnesium stearate, microcrystalline cellulose, povidone, pregelatinized corn starch, sodium starch glycolate, macrogol, talc, titanium dioxide, glycerol monocaprylocaprate and polyvinyl alcohol. Structural Formula

Propranolol hydrochloride is a synthetic beta-adrenergic receptor-blocking agent chemically described as 2-Propanol, 1-[(1-methylethyl)amino]-3-(1-naphthalenyloxy)-, hydrochloride,(±)-. Its molecular and structural formulae are: C 16 H 21 NO 2 · HCl Propranolol hydrochloride is a stable, white, crystalline solid which is readily soluble in water and ethanol. Its molecular weight is 295.80. Propranolol Hydrochloride Extended-Release Capsules, USP, are formulated to provide a sustained release of propranolol hydrochloride. Propranolol Hydrochloride Extended-Release Capsules, USP, are available as 60 mg, 80 mg, 120 mg, and 160 mg capsules for oral administration. Each capsule for oral administration contains sugar spheres, ethylcellulose, hypromellose phthalate, povidone, diethyl phthalate, polyethylene glycol, titanium dioxide, ammonium hydroxide, potassium hydroxide, black iron oxide, and gelatin. The 80 mg, 120 mg, and 160 mg capsules contain red and yellow iron oxide. In addition, the 160 mg capsules contain FD&C Blue No. 2. These capsules comply with USP Dissolution Test 1. Chemical Structure

Propranolol hydrochloride, USP is a synthetic beta-adrenergic receptor blocking agent chemically described as 2-Propanol, 1-[(1-methylethyl)amino]-3-(1-naphthalenyloxy)-, hydrochloride,(±)-. Its structural formula is: C 16 H 21 NO 2 •HCl M.W. 295.80 Propranolol hydrochloride, USP is a stable, white, crystalline solid which is readily soluble in water and in ethanol. Propranolol hydrochloride tablets, USP are available as tablets for oral administration containing either 10 mg, 20 mg, 40 mg, 60 mg, or 80 mg of propranolol hydrochloride, USP. Propranolol hydrochloride tablets, USP also contain colloidal silicon dioxide, croscarmellose sodium, lactose monohydrate, magnesium stearate, microcrystalline cellulose. Color additives include FD&C Yellow no. 6 aluminum lake (10 mg and 80 mg), D&C Yellow no. 10 aluminum lake (40 mg and 80 mg), FD&C Blue no. 1 aluminum lake (20 mg and 40 mg) and FD&C Red no. 40 aluminum lake (60 mg). Structural Formula

Propylthiouracil is one of the thiocarbamide compounds. It is a white, crystalline substance that has a bitter taste and is very slightly soluble in water. Propylthiouracil is an antithyroid drug administered orally. The structural formula is: Each tablet contains propylthiouracil 50 mg and the following inactive ingredients: corn starch, docusate sodium, magnesium stearate, microcrystalline cellulose, pregelatinized starch, sodium benzoate, and sodium starch glycolate. Structural Formula

Pyrazinamide, the pyrazine analogue of nicotinamide, is an antituberculous agent. It is a white crystalline powder, stable at room temperature, and sparingly soluble in water. Pyrazinamide has the following structural formula: Each pyrazinamide tablet for oral administration contains 500 mg of pyrazinamide and the following inactive ingredients: Corn Starch, Magnesium Stearate, Pregelatinized Starch and Stearic Acid. Structural Formula

Pyridostigmine bromide, USP is an orally active cholinesterase inhibitor. Chemically, pyridostigmine bromide is 3-hydroxy-1-methylpyridinium bromide dimethylcarbamate. Its structural formula is: Pyridostigmine bromide tablets, USP is available as a 60 mg tablet for oral administration. The tablet contains the following inactive ingredients: colloidal silicon dioxide, lactose anhydrous, magnesium stearate and stearic acid. Structral Formula

Quetiapine is an atypical antipsychotic belonging to a chemical class, the dibenzothiazepine derivatives. The chemical designation is 2-[2-(4-dibenzo [b,f] [1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]-ethanol fumarate (2:1) (salt). It is present in tablets as the fumarate salt. All doses and tablet strengths are expressed as milligrams of base, not as fumarate salt. Its molecular formula is C 42 H 50 N 6 O 4 S 2 · C 4 H 4 O 4 and it has a molecular weight of 883.11 (fumarate salt). The structural formula is: Quetiapine fumarate is a white to off-white crystalline powder which is moderately soluble in water. Quetiapine tablets USP are supplied for oral administration as 25 mg (quetiapine) round, pink tablets, 50 mg (quetiapine) round, white tablets, 100 mg (quetiapine) round, yellow tablets, 200 mg (quetiapine) round, white tablets, 300 mg (quetiapine) capsule-shaped, white tablets and 400 mg (quetiapine) capsule-shaped, yellow tablets. Inactive ingredients are dibasic calcium phosphate dihydrate, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, povidone, sodium starch glycolate and titanium dioxide. The 25 mg tablets contain iron oxide red and iron oxide black; and the 100 mg and 400 mg tablets contain iron oxide yellow. Each 25 mg film-coated tablet contains 28.78 mg of quetiapine fumarate USP equivalent to 25 mg quetiapine. Each 50 mg film-coated tablet contains 57.56 mg of quetiapine fumarate USP equivalent to 50 mg quetiapine. Each 100 mg film-coated tablet contains 115.12 mg of quetiapine fumarate USP equivalent to 100 mg quetiapine. Each 200 mg film-coated tablet contains 230.24 mg of quetiapine fumarate USP equivalent to 200 mg quetiapine. Each 300 mg film-coated tablet contains 345.36 mg of quetiapine fumarate USP equivalent to 300 mg quetiapine. Each 400 mg film-coated tablet contains 460.48 mg of quetiapine fumarate USP equivalent to 400 mg quetiapine. Structural Formula

Raloxifene hydrochloride, USP is an estrogen agonist/antagonist, commonly referred to as a selective estrogen receptor modulator (SERM) that belongs to the benzothiophene class of compounds. The chemical structure is: The chemical designation is methanone, [6-hydroxy-2-(4-hydroxyphenyl)benzo[b]thien-3-yl]-[4-[2-(1-piperidinyl) ethoxy]phenyl]-, hydrochloride. Raloxifene hydrochloride (HCl) has the empirical formula C 28 H 27 NO 4 S•HCl, which corresponds to a molecular weight of 510.05. Raloxifene HCl, USP is an off-white to pale-yellow solid that is very slightly soluble in water. Raloxifene hydrochloride tablets, USP are supplied in a tablet dosage form for oral administration. Each raloxifene hydrochloride tablet contains 60 mg of raloxifene HCl, USP which is the molar equivalent of 55.71 mg of free base. Inactive ingredients include mannitol, crospovidone, hydroxypropyl cellulose, poloxamer 407, magnesium stearate and opadry white (titanium Dioxide, hypromellose 2910 (3cP), hypromellose 2910 (6cP), macrogol/PEG 400 and polysorbate 80). Structural Formula

Ramelteon is an orally active hypnotic chemically designated as ( S )- N -[2-(1, 6, 7, 8 tetrahydro-2 H -indeno-[5, 4- b ]furan-8-yl)ethyl] propionamide and containing one chiral center. The compound is produced as the ( S )-enantiomer, with an molecular formula of C 16 H 21 NO 2 , molecular weight of 259.34, and the following chemical structure: Ramelteon is a white to cream color powder and it is freely soluble in methanol and practically insoluble in water. Each film-coated tablet contains 8 mg ramelteon and contains following inactive ingredients: anhydrous lactose, colloidal silicon dioxide, ferrosoferric oxide, hypromellose, iron oxide red, iron oxide yellow, polyethylene glycol, povidone, pregelatinized starch (botanical source: maize), sodium stearyl fumarate, titanium dioxide. Structural Formula

Ranolazine extended-release tablets are available as a film-coated, non-scored, extended-release tablet for oral administration. Ranolazine is a racemic mixture, chemically described as 1-piperazineacetamide, N -(2,6-dimethylphenyl)-4-[2-hydroxy-3-(2-methoxyphenoxy)propyl]-, (±)-. It has an molecular formula of C 24 H 33 N 3 O 4 , a molecular weight of 427.54 g/mole, and the following structural formula: Ranolazine is a white to off-white powder. Ranolazine is soluble in methanol; sparingly soluble in acetonitrile; slightly soluble in isopropyl alcohol and very slightly soluble in water. Ranolazine extended-release tablets contain 500 mg or 1000 mg of ranolazine and the following inactive ingredients: Hypromellose, magnesium stearate, methacrylic acid and ethyl acrylate copolymer (sodium lauryl sulfate and polysorbate 80), microcrystalline cellulose, polyethylene glycol and sodium hydroxide. The color coating contains titanium dioxide, polyvinyl alcohol, talc, hypromellose, polyethylene glycol, Iron Oxide Yellow, and Iron Oxide Red. Structural Formula

Repaglinide is an oral blood glucose-lowering drug of the glinide class. Repaglinide, S(+)2-ethoxy-4(2((3-methyl-1-(2-(1-piperidinyl) phenyl)-butyl) amino)-2-oxoethyl) benzoic acid, is chemically unrelated to the oral sulfonylurea insulin secretagogues. Structural Formula of Repaglinide Repaglinide USP is a white to off-white solid with molecular formula C 27 H 36 N 2 O 4 and a molecular weight of 452.6. Repaglinide tablets, USP contain 0.5 mg, 1 mg, or 2 mg of repaglinide USP. In addition, each tablet contains the following inactive ingredients: anhydrous dibasic calcium phosphate, corn starch, glycerol, magnesium stearate, meglumine, microcrystalline cellulose, polacrillin potassium, poloxamer, and povidone. In addition, the 1 mg tablet contains ferric oxide (Sicovit Yellow 10) and 2 mg tablet contains ferric oxide (Sicovit Red 30). Chemical Structure

Rifampin Capsules USP for oral administration contains 150 mg or 300 mg rifampin per capsule. The 150 mg and 300 mg capsules also contain, as inactive ingredients: corn starch, crospovidone, D & C Red no. 28, FD & C Blue no. 1, FD & C Red no. 40, gelatin, magnesium stearate, potassium hydroxide, pregelatinized starch, propylene glycol, shellac, sodium lauryl sulphate and titanium dioxide. Rifampin is a semisynthetic antibiotic derivative of rifamycin SV. Rifampin is a red-brown crystalline powder very slightly soluble in water at neutral pH, freely soluble in chloroform, soluble in ethyl acetate and in methanol. Its molecular weight is 822.95 and its chemical formula is C 43 H 58 N 4 O 12 . The chemical name for rifampin is either: 3-[[(4-Methyl-1-piperazinyl)imino]methyl]rifamycin or 5,6,9,17,19,21-hexahydroxy-23-methoxy-2,4,12,16,18,20,22–heptamethyl-8-[N-(4-methyl-1-piperazinyl)formimidoyl]-2,7-(epoxypentadeca[1,11,13]trienimino)naphtho[2,1- b ]furan-1,11(2H)-dione 21-acetate. Its structural formula is: Structural Formula

Risperidone Tablets contains risperidone, 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. Each risperidone tablet intended for oral administration contains 0.25 mg or 0.5 mg or 1 mg or 2 mg or 3 mg or 4 mg of risperidone. Additionally each tablet also contains the following inactive ingredients: corn starch, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, propylene glycol, sodium lauryl sulfate, and titanium dioxide. Additionally each 0.25 mg tablet contains iron oxide red and iron oxide yellow, 0.5 mg tablet contains iron oxide red, 2 mg tablet contains FD&C yellow # 6/sunset yellow FCF aluminum lake, 3 mg tablet contains D&C yellow # 10 aluminum lake and 4 mg tablet contains D&C yellow # 10 aluminum lake and FD&C blue # 2/ indigo carmine aluminum lake. Structural Formula

Ritonavir is an inhibitor of HIV protease with activity against the Human Immunodeficiency Virus (HIV). Ritonavir is chemically designated as 10-Hydroxy-2-methyl-5-(1-methylethyl)-1-[2-(1‑methylethyl)-4-thiazolyl]-3,6-dioxo-8,11-bis(phenylmethyl)-2,4,7,12-tetraazatridecan-13-oic acid, 5-thiazolylmethyl ester, [5S-(5R*,8R*,10R*,11R*)]. Its molecular formula is C 37 H 48 N 6 O 5 S 2 , and its molecular weight is 720.95. Ritonavir has the following structural formula: Ritonavir USP is a white to light-tan, crystalline powder. Ritonavir has a bitter metallic taste. It is freely soluble in methanol and ethanol, soluble in isopropanol and practically insoluble in water. Ritonavir tablets USP are available for oral administration in a strength of 100 mg ritonavir with the following inactive ingredients: copovidone, corn starch, dibasic calcium phosphate anhydrous, dibasic calcium phosphate dihydrate, hypromellose, mannitol, microcrystalline cellulose, polyethylene glycol, polysorbate, powdered cellulose, silicified microcrystalline cellulose, sodium stearyl fumarate, sorbitan monolaurate, talc, and titanium dioxide. Structural Formula

Rivastigmine tartrate USP is a reversible cholinesterase inhibitor and is known chemically as (S)-N-Ethyl-N-methyl-3-[1-(dimethylamino)ethyl]-phenyl carbamate hydrogen-(2R,3R)-tartrate. Rivastigmine tartrate is commonly referred to in the pharmacological literature as SDZ ENA 713 or ENA 713. It has a molecular formula of C 14 H 22 N 2 O 2 • C 4 H 6 O 6 (hydrogen tartrate salt – hta salt) and a molecular weight of 400.43 g/mol (hta salt). Rivastigmine tartrate is a white to off-white powder, that is very soluble in water and in methanol, very slightly soluble in ethyl acetate and soluble in ethanol. The distribution coefficient at 37°C in n-octanol/phosphate buffer solution pH 7 is 3.0. Rivastigmine tartrate capsules, USP contain rivastigmine tartrate, equivalent to 1.5 mg, 3 mg, 4.5 mg and 6 mg of rivastigmine base for oral administration. Inactive ingredients are colloidal silicon dioxide, hypromellose 5 cps, magnesium Stearate and microcrystalline cellulose. Each hard-gelatin capsule contains gelatin, titanium dioxide and black, red and yellow iron oxides (1.5 mg), red and yellow iron oxides (3 mg and 6 mg) and red iron oxide (4.5 mg). Structural Formula

The active ingredient in roflumilast tablets is roflumilast. Roflumilast and its active metabolite (roflumilast N-oxide) are selective phosphodiesterase 4 (PDE4) inhibitors. The chemical name of roflumilast is 3-(Cyclopropylmethoxy)-N-(3,5-dichloro-4-pyridinyl)-4-(difluoromethoxy) benzamide. Its empirical formula is C 17 H 14 Cl 2 F 2 N 2 O 3 and the molecular weight is 403.21. The chemical structure is: The drug substance is a light brown to white color powder with a melting point of 154 to 160°C. It is soluble in acetone and slightly soluble in ethanol. Roflumilast tablets are supplied as white to off white, round, flat bevel edged tablets, debossed with 'H' on one side and 'T' (for 250 mcg), and 'I' (for 500 mcg) on the other side. Each tablet contains 250 mcg or 500 mcg of roflumilast. Each tablet of roflumilast for oral administration contains the following inactive ingredients: colloidal silicon dioxide, magnesium stearate, mannitol, and microcrystalline cellulose. Structural Formula

Ropinirole tablets contain ropinirole, a non-ergoline dopamine agonist, as the hydrochloride salt. The chemical name of ropinirole hydrochloride is 4-[2-(dipropylamino)ethyl]-1,3-dihydro-2H-indol-2-one and the empirical formula is C 16 H 24 N 2 O•HCl. The molecular weight is 296.84 (260.38 as the free base). The structural formula is: Ropinirole hydrochloride is a white to yellow solid with a melting range of 243°C to 250°C and a solubility of 133 mg/mL in water. Each round biconvex film-coated ropinirole tablet contains 0.29, 0.57, 1.14, 2.28, 3.42, 4.56, or 5.70 mg of ropinirole hydrochloride equivalent to ropinirole 0.25, 0.5, 1, 2, 3, 4, or 5 mg, respectively. Inactive ingredients of the core tablets consist of croscarmellose sodium, hydroxypropyl cellulose, lactose monohydrate, magnesium stearate, microcrystalline cellulose. Inactive ingredients of the film coats are slightly different among the 7 strengths of tablets and are tabulated below: Strength Inactive ingredients of the film coat 0.25 mg polyethylene glycol, polyvinyl alcohol-part. hydrolyzed, talc, titanium dioxide and lecithin (soya). 0.5 mg polyethylene glycol, polyvinyl alcohol-part. hydrolyzed, talc, titanium dioxide and iron oxide yellow. 1 mg polyethylene glycol, polyvinyl alcohol-part. hydrolyzed, talc, titanium dioxide, FD&C Blue No. 2 aluminum lake and iron oxide yellow. 2 mg polyethylene glycol, polyvinyl alcohol-part. hydrolyzed, talc, titanium dioxide, lecithin (soya) and iron oxide red. 3 mg polyethylene glycol, polyvinyl alcohol-part. hydrolyzed, talc, titanium dioxide, carmine and FD&C Blue No. 1 aluminum lake. 4 mg polyethylene glycol, polyvinyl alcohol-part. hydrolyzed, talc, titanium dioxide, iron oxide yellow and iron oxide red. 5 mg polyethylene glycol, polyvinyl alcohol-part. hydrolyzed, talc, titanium dioxide, FD&C Blue No. 2 aluminum lake and lecithin (soya). USP dissolution test is pending. structural formula

Rufinamide is a triazole derivative structurally unrelated to currently marketed antiepileptic drugs (AEDs). Rufinamide has the chemical name 1-[(2,6-difluorophenyl)methyl]-1 H -1,2,3-triazole-4 carboxamide. It has an empirical formula of C 10 H 8 F 2 N 4 O and a molecular weight of 238.20. The drug substance is a white crystalline powder. Rufinamide is practically insoluble in water, slightly soluble in tetrahydrofuran and in methanol, and very slightly soluble in ethanol and in acetonitrile. Rufinamide Oral Suspension is available for oral administration as a liquid containing rufinamide, USP at a concentration of 40 mg/mL. Inactive ingredients include: anhydrous citric acid, hydroxyethyl cellulose, methylparaben, microcrystalline cellulose and carboxymethylcellulose sodium, poloxamer, potassium sorbate, propylene glycol, propylparaben, purified water, simethicone emulsion, sodium hydroxide, sorbitol solution and orange flavoring. Chemical Structure

Uses relieves occasional constipation (irregularity) generally causes bowel movement in 6 to 12 hours

Uses relieves occasional constipation (irregularity) this product generally produces a bowel movement in 6 to 12 hours

The active ingredient in sevelamer carbonate tablets is sevelamer carbonate, a polymeric amine that binds phosphate and is meant for oral administration. It was developed as a pharmaceutical alternative to sevelamer hydrochloride. Sevelamer carbonate is an anion exchange resin, with the same polymeric structure as sevelamer hydrochloride, in which carbonate replaces chloride as the counterion. While the counterions differ for the two salts, the polymer itself, the active moiety involved in phosphate binding, is the same. Sevelamer carbonate is known chemically as poly(allylamine- co -N,N’-diallyl-1,3-diamino-2-hydroxypropane) carbonate salt. Sevelamer carbonate is hygroscopic, but insoluble in water. The structure is represented in Figure 1. Sevelamer Carbonate Tablets: Each film-coated tablet of sevelamer carbonate contains 800 mg of sevelamer carbonate on an anhydrous basis. The inactive ingredients are acetylated monoglycerides, ammonium hydroxide, black iron oxide, colloidal silicon dioxide, crospovidone, glyceryl dibehenate, hydroxypropyl cellulose, hypromellose, mannitol, propylene glycol, shellac glaze and talc. Figure 1: Chemical Structure of Sevelamer Carbonate

The active ingredient in Sevelamer Hydrochloride Tablets is sevelamer hydrochloride, a polymeric amine that binds phosphate and is meant for oral administration. Sevelamer hydrochloride is poly(allylamine hydrochloride) crosslinked with epichlorohydrin in which 40% of the amines are protonated. It is known chemically as poly(allylamine-co-N,N'-diallyl-1,3-diamino-2-hydroxypropane) hydrochloride. Sevelamer hydrochloride is hydrophilic, but insoluble in water. The structure is represented in Figure 1. Figure 1: Chemical Structure of Sevelamer Hydrochloride a, b = number of primary amine groups a + b = 9 c = number of crosslinking groups c = 1 n = fraction of protonated amines n = 0.4 m = large number to indicate extended polymer network The primary amine groups shown in the structure are derived directly from poly(allylamine hydrochloride). The crosslinking groups consist of two secondary amine groups derived from poly(allylamine hydrochloride) and one molecule of epichlorohydrin. Sevelamer Hydrochloride Tablets: Each film-coated tablet of sevelamer hydrochloride contains either 800 mg or 400 mg of sevelamer hydrochloride on an anhydrous basis. The inactive ingredients are colloidal silicon dioxide, diacetylated monoglycerides, hypromellose, lactose monohydrate, maize starch, mannitol, talc and zinc stearate. The imprinting ink for sevelamer hydrochloride tablets has the following components: black iron oxide, butyl alcohol, isopropyl alcohol, propylene glycol, ammonium hydroxide and shellac. Structural Formula

Simvastatin is a prodrug of 3-hydoroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase inhibitor that is derived synthetically from a fermentation product of Aspergillus terreus . Simvastatin is butanoic acid, 2,2-dimethyl-,1,2,3,7,8,8a-hexahydro-3,7-dimethyl-8-[2-(tetrahydro-4-hydroxy-6-oxo-2 H -pyran-2-yl)-ethyl]-1-naphthalenyl ester, [1 S -[1α,3α,7β,8β(2 S* ,4 S* ),-8aβ]]. The empirical formula of simvastatin is C 25 H 38 O 5 and its molecular weight is 418.57. Its structural formula is: Simvastatin is a white to off-white, nonhygroscopic, crystalline powder that is practically insoluble in water, and freely soluble in chloroform, methanol and ethanol. Simvastatin tablets USP are available for oral administration in strength of 5 mg, 10 mg, 20 mg, 40 mg, or 80 mg. Each tablet contains following inactive ingredients: ascorbic acid, citric acid, hydroxy propyl cellulose, hypromellose, iron oxides, lactose monohydrate, magnesium stearate, microcrystalline cellulose, pregelatinised starch, talc and titanium dioxide. Butylated hydroxyanisole is added as a preservative. Structural Formula