chartwell rx, llc - Medication Listings

Nystatin, USP is an antimycotic polyene antibiotic obtained from Streptomyces noursei . Its structural formula: C 47 H 75 NO 17 M.W. 926.13 Nystatin tablets, USP are for oral administration and contain 500,000 units of nystatin, USP per tablet. Nystatin tablets, USP contain the inactive ingredients: corn starch, confectioner sugar, dibasic calcium phosphate, FD&C yellow #6, FD&C red #40, FD&C blue #2, hydroxypropyl cellulose, hypromellose, microcrystalline cellulose, magnesium stearate, polyethylene glycol, polysorbate 80, talc and titanium dioxide. Chemical Structure

Nystatin, USP is obtained from Streptomyces noursei . It is known to be a mixture, but the composition has not been completely elucidated. Nystatin A is closely related to amphotericin B. Each is a macro-cyclic lactone containing a ketal ring, an all-trans polyene system, and a mycosamine (3-amino-3-deoxyrhamose) moiety. Its structural formula is: C 47 H 75 NO 17 M.W .926 .13 Nystatin Oral Suspension, USP, is a cherry-flavored, ready-to-use suspension containing 100,000 units of Nystatin, USP per mL. Nystatin, USP contains the following inactive ingredients: artificial (wild) cherry flavor, D&C Yellow 10, edetate calcium disodium, hydrochloric acid, methylparaben, polysorbate 80, propylparaben, purified bentonite, purified water, sodium hydroxide and sucrose. image description

Olmesartan Medoxomil, USP a prodrug, is hydrolyzed to olmesartan during absorption from the gastrointestinal tract. Olmesartan is a selective AT 1 subtype angiotensin II receptor antagonist. Olmesartan Medoxomil, USP is described chemically as 2,3-dihydroxy-2-butenyl 4-(1- hydroxy-1-methylethyl)-2-propyl-1-[ p-( o-1 H-tetrazol-5-ylphenyl)benzyl]imidazole-5- carboxylate, cyclic 2,3-carbonate. Its empirical formula is C 29 H 30 N 6 O 6 and its structural formula is: Olmesartan Medoxomil, USP is a white to light yellowish-white powder or crystalline powder with a molecular weight of 558.59. It is practically insoluble in water and sparingly soluble in methanol. Olmesartan Medoxomil Tablets, USP are available for oral use as film-coated tablets containing 5 mg, 20 mg, or 40 mg of Olmesartan Medoxomil, USP and the following inactive ingredients: hydroxypropyl cellulose, hypromellose, lactose monohydrate, low-substituted hydroxypropyl cellulose, magnesium stearate, microcrystalline cellulose, titanium dioxide, polyethylene glycol. FDA approved dissolution method differs from the USP dissolution method. image description

Omega-3-acid ethyl esters USP, a lipid-regulating agent, is supplied as a liquid-filled gel capsule for oral administration. Each 1-gram capsule of omega-3-acid ethyl esters contains at least 900 mg of the ethyl esters of omega-3 fatty acids sourced from fish oils. These are predominantly a combination of ethyl esters of eicosapentaenoic acid (EPA - approximately 465 mg) and docosahexaenoic acid (DHA - approximately 375 mg). The empirical formula of EPA ethyl ester is C 22 H 34 O 2 , and the molecular weight of EPA ethyl ester is 330.51. The structural formula of EPA ethyl ester is: The empirical formula of DHA ethyl ester is C 24 H 36 O 2 , and the molecular weight of DHA ethyl ester is 356.55. The structural formula of DHA ethyl ester is: Omega-3-Acid Ethyl Esters Capsules USP also contain the following inactive ingredients: alpha-tocopherol, caprylic and capric acid triglycerides (medium-chain triglycerides), gelatin, glycerin, and purified water. The capsule imprinting ink contains ammonium hydroxide, ethanol, ethyl acetate, isopropyl alcohol, polyethylene glycol, polyvinyl acetate phthalate, propylene glycol, purified water, and titanium dioxide. image description image description

The active ingredient in ondansetron Orally Disintegrating Tablets, USP is ondansetron base, 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. It has the following structural formula: The empirical formula is C 18 H 19 N 3 O representing a molecular weight of 293.4 g/mol. Each 4 mg, 8 mg, 16 mg, and 24 mg Ondansetron Orally Disintegrating Tablets, USP for oral administration contains 4 mg, 8 mg, 16 mg, and 24 mg ondansetron base respectively. Each Ondansetron Orally Disintegrating Tablet, USP also contains the inactive ingredients aspartame, crospovidone, starch, colloidal silica, croscarmellose sodium, mannitol, silica gel, talc, magnesium stearate and artificial strawberry flavor. Ondansetron Orally Disintegrating Tablets, USP are an orally administered formulation of ondansetron which disintegrates on the tongue and does not require water to aid dissolution or swallowing. Meets USP Disintegration Test 2. image description

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 empirical formula is C18H19N3O•HCl•2H2O, representing a molecular weight of 365.9 g/mol. Ondansetron hydrochloride dihydrate is a white to off-white powder that is soluble in water and normal saline. Each 4-mg ondansetron tablet for oral administration contains ondansetron hydrochloride dihydrate equivalent to 4 mg of ondansetron. Each 8-mg ondansetron tablet for oral administration contains ondansetron hydrochloride dihydrate equivalent to 8 mg of ondansetron. Each tablet also contains the inactive ingredients lactose monohydrate, magnesium stearate, microcrystalline cellulose, pregelatinized starch, polyvinyl alcohol, polyethylene glycol, talc, titanium dioxide, and lecithin. image description

The active ingredient in Ondansetron Oral Solution, USP is Ondansetron Hydrochloride, USP 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 empirical formula is C 18 H 19 N 3 O•HCl•2H 2 O, representing a molecular weight of 365.9 g/mol. Ondansetron hydrochloride dihydrate is a white to off-white powder that is soluble in water and normal saline. Each 5 mL of Ondansetron Oral Solution, USP contains 5 mg of ondansetron hydrochloride dihydrate equivalent to 4 mg of ondansetron. Ondansetron Oral Solution, USP contains the inactive ingredients citric acid anhydrous, glycerin, purified water, sodium benzoate, strawberry flavor, and sucrose. Sodium citrate maybe added for pH adjustment. Chemical Structure

Oxaprozin tablets, USP is a nonsteroidal anti-inflammatory drug (NSAID), chemically designated as 4,5-diphenyl-2-oxazole-propionic acid, and has the following chemical structure: The molecular formula for oxaprozin is C 18 H 15 NO 3 , and the molecular weight is 293. Oxaprozin is a white to off-white powder with a slight odor and a melting point of 162°C to 163°C. It is slightly soluble in alcohol and insoluble in water, with an octanol/water partition coefficient of 4.8 at physiologic pH (7.4). The pK a in water is 4.3. Each tablet, for oral administration, contains 600 mg of oxaprozin. In addition, each tablet contains the following inactive ingredients: colloidal silicon dioxide, croscarmellose sodium, hydroxypropyl cellulose, hydroxypropyl methylcellulose, , magnesium stearate, methylcellulose, polyethylene glycol, stearic acid and titanium dioxide. image description

Oxcarbazepine, USP is an AED available as a 300 mg/5 mL (60 mg/mL) oral suspension. Oxcarbazepine is 10,11-Dihydro-10-oxo-5 H -dibenz[b, f ]azepine-5-carboxamide, and its structural formula is: Oxcarbazepine is a white to faintly orange crystalline powder. It is slightly soluble in chloroform, dichloromethane, acetone, and methanol and practically insoluble in ethanol, ether and water. Its molecular weight is 252.27 g/mol. Oxcarbazepine Oral Suspension, USP contains the following inactive ingredients: ascorbic acid, lemon flavor, macrogolstearate, microcrystalline cellulose/sodium carboxymethyl cellulose, methylparaben, propylene glycol, propylparaben,purified water, sodium saccharin, sorbic acid, and sorbitol. image description

Perphenazine (4-[3-(2-chlorophenothiazin-10-yl)propyl]-1-piperazineethanol), a piperazinyl phenothiazine, having the chemical formula, C 21 H 26 CIN 3 OS. It is available as oral tablets containing 2 mg, 4 mg, 8 mg, and 16 mg of perphenazine. Inactive ingredients: hydroxypropyl cellulose, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, pregelatinized starch, polyethylene glycol, polysorbate 80 and titanium dioxide. Its structural formula is: ACTIONS: Perphenazine has actions at all levels of the central nervous system, particularly the hypothalamus. However, the site and mechanism of action of therapeutic effect are not known. image description

Phenazopyridine Hydrochloride, USP, is light or dark red to dark violet, odorless, slightly bitter, crystalline powder. It has a specific local analgesic effect in the urinary tract, promptly relieving burning and pain. It has the following structural formula: Inactive Ingredients: Corn Starch, Croscarmellose Sodium, D&C Yellow #10 Aluminum Lake, FD&C Red #40 Aluminum Lake, FD&C Blue #1 Aluminum Lake, FD&C Yellow #6 Aluminum Lake, Microcrystalline Cellulose, Magnesium Stearate, Povidone, Polyvinyl Alcohol, Polyethylene Glycol, Pregelatinized Starch, Silicon Dioxide, Talc, and Titanium Dioxide. image description

The barbiturates are nonselective central nervous system (CNS) depressants that are primarily used as sedative-hypnotics. In subhypnotic doses, they are also used as anticonvulsants. The barbiturates and their sodium salts are subject to control under the Federal Controlled Substances Act. Phenobarbital is a barbituric acid derivative and occurs as white, odorless, small crystals or crystalline powder that is very slightly soluble in water; soluble in alcohol, in ether, and in solutions of fixed alkali hydroxides and carbonates; sparingly soluble in chloroform. Phenobarbital is 5-ethyl-5-phenylbarbituric acid. Phenobarbital is a substituted pyrimidine derivative in which the basic structure is barbituric acid, a substance that has no CNS activity. CNS activity is obtained by substituting alkyl, alkenyl, or aryl groups on the pyrimidine ring. It has the following structural formula: Each phenobarbital tablet contains 15 mg, 16.2 mg (1/4 grain), 30 mg, 32.4 mg (1/2 grain), 60 mg, 64.8 mg (1 grain) 97.2 mg (11/2 grain), or 100 mg of phenobarbital. In addition, each tablet contains: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, microcrystalline cellulose and sodium starch glycolate. image description

The barbiturates are nonselective central nervous system (CNS) depressants that are primarily used as sedative-hypnotics. In subhypnotic doses, they are also used as anticonvulsants. The barbiturates and their sodium salts are subject to control under the Federal Controlled Substances Act. Phenobarbital is a barbituric acid derivative and occurs as white, odorless, small crystals or crystalline powder that is very slightly soluble in water; soluble in alcohol, in ether, and in solutions of fixed alkali hydroxides and carbonates; sparingly soluble in chloroform. Phenobarbital is 5-ethyl-5-phenylbarbituric acid and has the empirical formula C 12 H 12 N 2 O 3 . Its molecular weight is 232.24. It has the following structural formula: Phenobarbital is a substituted pyrimidine derivative in which the basic structure is barbituric acid, a substance that has no CNS activity. CNS activity is obtained by substituting alkyl, alkenyl, or aryl groups on the pyrimidine ring. Phenobarbital Oral Solution, USP is red colored liquid with cherry flavor. Each 5 mL (teaspoon) contains 20 mg Phenobarbital and Alcohol 13.5%. The oral solution also contains FD&C Red #40, glycerin, sucrose, wild cherry flavor, and purified water. image description

Phentermine hydrochloride is a sympathomimetic amine anorectic. Its chemical name is α, α, -dimethylphenethylamine hydrochloride. The structural formula is as follows: Phentermine hydrochloride is a white, odorless, hygroscopic, crystalline powder which is soluble in water and lower alcohols, slightly soluble in chloroform and insoluble in ether. Each 8 mg contains Phentermine Hydrochloride, USP, and inactive ingredients include hydrogenated vegetable oil, lactose monohydrate, microcrystalline cellulose, colloidal silicon dioxide and magnesium stearate. "Image Description"

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: Pioglitazone hydrochloride 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. Pioglitazone Tablets USP are available as a tablet 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, lactose monohydrate, and magnesium stearate. "Image Description"

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, hydroxypropylcellulose, croscarmellose sodium, colloidal silicon dioxide, magnesium stearate, polyvinyl alcohol partially hydrolyzed, titanium dioxide, macrogol/polyethylene glycol 3350, talc and iron oxide yellow. image description

Potassium Citrate and Citric Acid Oral Solution, USP is a stable red colored and cherry flavored oral systemic alkalizer containing potassium citrate and citric acid in a sugar-free, non-alcoholic base. Potassium Citrate and Citric Acid Oral Solution, USP contains in each teaspoonful (5 mL): Potassium Citrate Monohydrate, USP 1100 mg Citric Acid Monohydrate, USP 334 mg Each mL contains 2 mEq potassium ion and is equivalent to 2 mEq bicarbonate (HCO 3 ). Inactive Ingredients: saccharin sodium, sodium benzoate, sorbitol solution, FD&C red # 40, purified water, and wild cherry flavor. ACTIONS Potassium citrate is absorbed and metabolized to potassium bicarbonate, thus acting as a systemic alkalizer. The effects are essentially those of chlorides before absorption and those of bicarbonates subsequently. Oxidation is virtually complete so that less than 5% of the potassium citrate is excreted in the urine unchanged.

Pravastatin sodium, USP is a statin, an inhibitor of 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase. Pravastatin sodium, USP is designated chemically as 1-Naphthalene-heptanoic acid, 1,2,6,7,8,8a-hexahydro-β,δ,6-trihydroxy-2-methyl-8-(2-methyl-1-oxobutoxy)-, monosodium salt, [1 S - [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, 18.97, 37.94 and 75.88 mg of pravastatin, respectively. Inactive ingredients include: colloidal silicon dioxide, crospovidone, hypromellose, lactose monohydrate, magnesium stearate, polyethylene glycol 8000, sodium bicarbonate, talc and titanium dioxide. "Image Description"

Glucocorticoids are adrenocortical steroids, both naturally occurring and synthetic, which are readily absorbed from the gastrointestinal tract. Prednisolone is a white crystalline powder, very slightly soluble in water. It is designated chemically as pregna-1,4-diene-3,20-dione,11,17,21-trihydroxy-, (11ß)-. The structural formula is represented below: C 21 H 28 O 5 M.W. 360.45 Each tablet contains 5 mg of Prednisolone, USP for oral administration. Inactive ingredients include: anhydrous lactose, corn starch, sodium starch glycolate, and calcium stearate. Prednisolone Structure

Prednisolone oral solution contains prednisolone which is a glucocorticoid. Glucocorticoids are adrenocortical steroids, both naturally occurring and synthetic, which are readily absorbed from the gastrointestinal tract. Prednisolone is a white to practically white, odorless, crystalline powder. It is very slightly soluble in water, soluble in methanol and in dioxane; sparingly soluble in acetone and in alcohol, slightly soluble in chloroform. The chemical name for Prednisolone is Pregna-1,4 -diene -3, 20 - dione, 11, 17, 21- trihydroxy-,(11β). Its molecular weight is 360.45. The molecular formula is C 21 H 28 O 5 and the structural formula is: Prednisolone oral solution contains 15 mg of prednisolone in each 5 mL. Benzoic acid, 0.1% is added as a preservative. It also contains ethyl alcohol 5% (v/v), citric acid, edetate disodium, glycerin, propylene glycol, purified water, saccharin sodium, sucrose, natural and artificial wild cherry flavor, FD&C red #40. image description

Prednisolone sodium phosphate oral solution is a dye free, clear, colorless to slightly yellow colored, raspberry flavored solution. Each 5 mL (teaspoonful) of prednisolone sodium phosphate oral solution contains 6.7 mg prednisolone sodium phosphate (5 mg prednisolone base) in a palatable, aqueous vehicle. Prednisolone sodium phosphate oral solution also contains edetate disodium, methylparaben, purified water, sodium phosphate dibasic, sodium phosphate monobasic, sorbitol solution, and artificial raspberry flavor. Prednisolone sodium phosphate occurs as white or slightly yellow, friable granules or powder. It is freely soluble in water; soluble in methanol; slightly soluble in alcohol and in chloroform; and very slightly soluble in acetone and in dioxane. The chemical name of prednisolone sodium phosphate is: pregna-1,4-diene-3,20-dione, 11,17-dihydroxy-21-(phosphonooxy)- disodium salt, (11β)-. The empirical formula is C 21 H 27 Na 2 O 8 P; the molecular weight is 484.39. Its chemical structure is: Pharmacological Category: Glucocorticoid Prednisolone sodium phosphate occurs as white or slightly yellow, friable granules or powder. It is freely soluble in water; soluble in methanol; slightly soluble in alcohol and in chloroform; and ver

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 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 is supplied as imprinted hard-shell capsules containing 50, 75, 100, and 150 mg of pregabalin. Pregabalin capsules 50 mg contains pregelatinized starch and talc as inactive ingredients. Pregabalin capsules 75, 100, and 150 mg contain lactose monohydrate, corn starch, and talc as inactive ingredients. The capsule shells contain gelatin and titanium dioxide. In addition, the caramel capsule shells contain red iron oxide and the maroon capsule shells contain Brilliant blue FCF - FD&C Blue 1 and FD&C Red 40. The imprinting ink contains shellac, dehydrated alcohol, isopropyl alcohol, butyl alcohol, propylene glycol, strong ammonia solution, potassium hydroxide, and black iron oxide. image description

Anticonvulsant Chemical name: 5-ethyldihydro-5-phenyl-4,6 (1H,5H)-pyrimidinedione. Structural formula: Primidone, USP 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 50 mg of primidone, USP. 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 tablets as the maleate. Prochlorperazine maleate is designated chemically as 2-chloro-10-[3-(4-methyl-1-piperazinyl)propyl] phenothiazine maleate [molecular weight 606.10] and has the following structure: Prochlorperazine Maleate, USP is classified as an anti-emetic and antipsychotic agent. Prochlorperazine maleate is white to off-white granular powder. It is practically insoluble in water and in alcohol; slightly soluble in warm chloroform. Each film-coated tablet, for oral administration contains prochlorperazine maleate equivalent to 5 mg or 10 mg of prochlorperazine. In addition, each film-coated tablet contains the following inactive ingredients: hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polysorbate 80, pregelatinized starch, stearic acid, and titanium dioxide. image description

Each 5 mL (teaspoonful) of Promethazine Hydrochloride Oral Solution, USP contains: 6.25 mg of Promethazine Hydrochloride, USP. The inactive ingredients present are alcohol 7%, ascorbic acid, citric acid anhydrous, D&C Yellow No. 10, FD&C Red No. 40, FD&C Blue No. 1, FD&C Yellow No. 6, methylparaben, natural cherry flavor, propylene glycol, propylparaben, purified water, saccharin sodium, sodium benzoate, sodium citrate dihydrate, and sucrose. Citric acid anhydrous or sodium citrate dihydrate is used to adjust the pH to 4.6 to 5.0. Promethazine Hydrochloride, USP is a racemic compound; the empirical formula is C 17 H 20 N 2 S•HCl and its molecular weight is 320.88. Promethazine Hydrochloride, USP, a phenothiazine derivative, is designated chemically as 10H-Phenothiazine-10-ethanamine,N,N,á-trimethyl-, monohydrochloride,(±)-, with the following structural formula: Promethazine Hydrochloride, USP 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 and soluble in alcohol. image description

Propylthiouracil, USP 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, USP is an antithyroid drug administered orally. The structural formula is: Each tablet contains propylthiouracil, USP 50 mg and the following inactive ingredients: calcium stearate, corn starch, lactose monohydrate and pregelatinized starch. image description

Quinapril hydrochloride, USP is the hydrochloride salt of quinapril, the ethyl ester of a non-sulfhydryl, angiotensin-converting enzyme (ACE) inhibitor, quinaprilat. Quinapril hydrochloride is chemically described as [3S-[2[R*(R*)],3R*]]-2-[2-[[1-(ethoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, monohydrochloride. Its molecular formula is C 25 H 30 N 2 O 5 •HCI and its structural formula is: Quinapril hydrochloride is a white to off-white amorphous powder that is freely soluble in aqueous solvents. Quinapril Tablets, USP contain quinapril hydrochloride, USP equivalent to 5 mg (equivalent to 5.42 mg Quinapril Hydrochloride), 10 mg (equivalent to 10.84 mg Quinapril Hydrochloride), 20 mg (equivalent to 21.66 mg Quinapril Hydrochloride), or 40 mg (equivalent to 43.33 mg Quinapril Hydrochloride) of quinapril for oral administration. Each tablet also contains magnesium carbonate, hydroxypropyl cellulose, crospovidone, magnesium stearate, polyethylene glycol, talc, FD&C yellow No. 6, FD&C red No. 40, titanium dioxide, FD&C blue No. 1, and polyvinyl alcohol. image description

Quinapril and Hydrochlorothiazide Tablets, USP are a fixed-combination tablet that combines an angiotensin-converting enzyme (ACE) inhibitor, quinapril hydrochloride, and a thiazide diuretic, hydrochlorothiazide. Quinapril hydrochloride is chemically described as [3S-[2[R*(R*)], 3R*]]-2-[2-[[1-(ethoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3- isoquinolinecarboxylic acid, monohydrochloride. Its empirical formula is C 25 H 30 N 2 O 5 . HCl and its structural formula is: Quinapril hydrochloride is a white to off-white amorphous powder, with a pink cast at times that is freely soluble in aqueous solvents. Hydrochlorothiazide is chemically described as: 6-Chloro-3,4-dihydro-2H-1,2,4- benzothiadiazine-7-sulfonamide 1,1-dioxide. Its empirical formula is C 7 H 8 CIN 3 O 4 S 2 and its structural formula is: M.W. = 297.72 Hydrochlorothiazide is a white to off-white, crystalline powder which is slightly soluble in water but freely soluble in sodium hydroxide solution. Quinapril and Hydrochlorothiazide Tablets, USP are available for oral use as fixed combination tablets in three strengths of quinapril with hydrochlorothiazide: 10 mg (equivalent to 10.83 mg of Quinapril Hydrochloride) with 12.5 mg, 20 mg (equivalent to 21.66 mg of Quinapril Hydrochloride) with 12.5 mg, and 20 mg (equivalent to 21.66 mg of Quinapril Hydrochloride) with 25 mg. Inactive ingredients: magnesium hydroxide, microcrystalline cellulose, crospovidone, magnesium stearate, polyvinyl alcohol, titanium dioxide, talc, soy lecithin, FD&C Yellow No. 6, and xanthan gum. image description image description

The active ingredient in Rabeprazole Sodium Delayed-Release Tablets is rabeprazole sodium, 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 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 is a function of pH; it is rapidly degraded in acid media, and is more stable under alkaline conditions. The structural figure is: Figure 1 Rabeprazole Sodium Delayed-Release Tablets are available for oral administration as delayed-release, enteric-coated tablets containing 20 mg of rabeprazole sodium. Inactive ingredients of the 20 mg tablet are crospovidone, FD&C Blue #1, glyceryl dibehenate, hypromellose, lactose monohydrate, methacrylic acid copolymer dispersion, talc and triethyl citrate. image description

Ramipril, USP is a 2-aza-bicyclo [3.3.0]-octane-3-carboxylic acid derivative. It is a white, crystalline substance soluble in polar organic solvents and buffered aqueous solutions. Ramipril melts between 105°C to 112°C. The CAS Registry Number is 87333-19-5. Ramipril's chemical name is (2 S , 3a S , 6a S )-1 [( S )- N -[( S )-1-Carboxy-3-phenylpropyl] alanyl] octahydrocyclopenta [ b ]pyrrole-2-carboxylic acid, 1-ethyl ester. The inactive ingredients present are pregelatinized starch NF, gelatin, and titanium dioxide. The 1.25 mg capsule shell contains D&C Yellow # 10 and FD&C Yellow # 6 the 2.5 mg capsule shell contains D&C Red # 28, D&C Yellow # 10 and FD&C Red #40, the 5 mg capsule shell contains D&C Red # 28, D&C Red # 33, D&C Yellow # 10 and FD&C Blue #1, and the 10 mg capsule shell contains D&C Red # 28, and FD&C Blue #1. Capsule shells are imprinted with black ink containing shellac, black iron oxide, n-butyl alcohol, propylene glycol, FD&C Blue #2, FD&C Red #40, D&C Yellow #10 and FD&C Blue #1. The structural formula for ramipril is: Its molecular formula is C 23 H 32 N 2 O 5 and its molecular weight is 416.5. Ramiprilat, the diacid metabolite of ramipril, is a non-sulfhydryl ACE inhibitor. Ramipril is converted to ramiprilat by hepatic cleavage of the ester group. "Image Description"

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 molecular 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 water or ethanol and sparingly soluble in isopropanol. Each rasagiline tablet for oral administration contains rasagiline mesylate equivalent to 0.5 mg or 1 mg of rasagiline base. Each rasagiline tablet also contains the following inactive ingredients: corn starch, colloidal silicon dioxide, mannitol, pregelatinized starch, stearic acid and talc. image description

Repaglinide tablets are an oral blood glucose-lowering drug of the glinide class used in the management of type 2 diabetes mellitus (also known as non-insulin dependent diabetes mellitus or NIDDM). 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. The structural formula is as shown below: Repaglinide is a white to off-white powder 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. In addition, each tablet contains the following inactive ingredients: corn starch, dicalcium phosphate anhydrous, glycerin, magnesium stearate, meglumine, microcrystalline cellulose, poloxamer 188, povidone, polacrilin potassium and talc. The 1 mg and 2 mg tablets contain ferric oxide yellow as coloring agent. "Image Description"

Rifampin Capsules, USP for oral administration contains 150 mg or 300 mg rifampin, USP per capsule. The 150 mg and 300 mg capsules also contain, as inactive ingredients: pregelatinized starch, colloidal silicon dioxide, talc, magnesium stearate, gelatin, titanium dioxide, D&C Red #28, FD&C Blue #1, and FD&C Red #40 The capsules are printed with ink containing shellac, black iron oxide, n-butyl alcohol, propylene glycol, FD&C Blue #2 Aluminum Lake, FD&C Red #40 Aluminum Lake, D&C Yellow #10 Aluminum Lake, and FD&C Blue #1 Aluminum Lake. 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: image description

Risperidone Tablets, USP 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 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 available in 0.25 mg (light orange), 0.5 mg (orange), 1 mg (white), 2 mg (white), 3 mg (white), and 4 mg (white) strengths. Each tablet for oral administration contains the following inactive ingredients: corn starch, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, sodium starch glycolate and titanium dioxide. In addition the 0.25 mg and 0.5 mg also contain FD&C yellow #6. image description

Risperidone Oral Solution, USP 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 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 Oral Solution, USP is available as a 1 mg/mL oral solution. Risperidone Oral Solution, USP contains the following inactive ingredients: benzoic acid, sorbitol, and purified water. image description

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 an empirical 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 400.42 (hta salt). Rivastigmine tartrate is a white to off-white, fine crystalline powder that is very soluble in water, soluble in ethanol and acetonitrile, slightly soluble in n-octanol and very slightly soluble in ethyl acetate. The distribution coefficient at 37°C in n-octanol/phosphate buffer solution pH 7 is 3.0. Rivastigmine Tartrate Capsules, USP contain rivastigmine tartrate USP, equivalent to 1.5 mg, 3 mg, 4.5 mg, and 6 mg of rivastigmine base for oral administration. Inactive ingredients are hypromellose, magnesium stearate, microcrystalline cellulose, and colloidal silicon dioxide. Each hard-gelatin capsule contains gelatin, titanium dioxide and yellow iron oxide. The 3 mg, 4.5 mg and 6 mg capsules contain red iron oxide. Imprinting ink contains: shellac, propylene glycol, black iron oxide and potassium hydroxide. Rivastigmine tartrate capsules meets USP Dissolution Test 2. rivastigmine-tartrate

Rosuvastatin is a 3-hydroxy-3-methylglutaryl coenzyme A (HMG CoA)-reductase inhibitor. The chemical name for rosuvastatin calcium is bis[(E)-7-[4-(4-fluorophenyl)-6-isopropyl-2- [methyl(methylsulfonyl)amino] pyrimidin-5-yl](3R,5S)-3,5-dihydroxyhept-6-enoic acid] calcium salt with the following structural formula: The empirical formula for rosuvastatin calcium is (C 22 H 27 FN 3 O 6 S) 2 Ca and the molecular weight is 1001.14. Rosuvastatin calcium is a white amorphous powder that is sparingly soluble in water and methanol, and slightly soluble in ethanol. Rosuvastatin calcium is a hydrophilic compound with a partition coefficient (octanol/water) of 0.13 at pH of 7.0. Rosuvastatin Tablets, USP for oral use contain rosuvastatin 5 mg, 10 mg, 20 mg, or 40 mg (equivalent to 5.2 mg, 10.4 mg, 20.8 mg, and 41.6 mg rosuvastatin calcium) and the following inactive ingredients: butylated hydroxytoluene, lactose monohydrate, lactose anhydrous, microcrystalline cellulose, sodium citrate, crospovidone, colloidal silicon dioxide, and magnesium stearate. image description

Selegiline Hydrochloride, USP is a levorotatory acetylenic derivative of phenethylamine. It is commonly referred to in the clinical and pharmacological literature as l-deprenyl. The chemical name is: (R)-(-)-N,2-dimethyl-N-2-propynylphenethylamine hydrochloride. It is a white to near white crystalline powder, freely soluble in water, chloroform, and methanol. The molecular formula is C 13 H 17 N•HCl; and the molecular weight is 223.75. The structural formula is as follows: Each tablet, for oral administration, contains Selegiline Hydrochloride, USP 5 mg and the following inactive ingredients: corn starch, lactose monohydrate, magnesium stearate, povidone, and talc. image description

Sodium Citrate and Citric Acid Oral Solution, USP is a clear stable and cherry flavored systemic alkalizer containing sodium citrate and citric acid in a sugar-free base with cherry flavor. It is a nonparticulate neutralizing buffer. Sodium Citrate and Citric Acid Oral Solution, USP contains in each teaspoonful (5 mL): Sodium Citrate Dihydrate, USP 500 mg (0.34 Molar) Citric Acid Monohydrate, USP 334 mg (0.32 Molar) Each mL contains 1 mEq sodium ion and is equivalent to 1 mEq bicarbonate (HCO 3 ). INACTIVE INGREDIENTS: purified water, saccharin sodium, sodium benzoate, sorbitol solution, and wild cherry flavor.

Sodium polystyrene sulfonate is a benzene, diethenyl-polymer, with ethenylbenzene, sulfonated, sodium salt and has the following structural formula: The drug is a golden brown, fine, odorless powdered form of sodium polystyrene sulfonate, a cation-exchange resin prepared in the sodium phase with an in vitro exchange capacity of approximately 3.1 mEq ( in vivo approximately 1 mEq) of potassium per gram. The sodium content is approximately 100 mg (4.1 mEq) per gram of the drug. It can be administered orally or rectally as an enema. One gram of sodium polystyrene sulfonate contains 4.1 mEq of sodium. image description

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Sucralfate is an α-D-glucopyranoside, β-D-fructofuranosyl-, octakis-(hydrogen sulfate), aluminum complex. It has the following structural formula: Tablets for oral administration contain 1 g of sucralfate, USP. Also contain: povidone, magnesium stearate, and colloidal silicon dioxide. Therapeutic category: antiulcer. image description

Sulfadiazine is an oral sulfonamide antibacterial agent. Sulfadiazine Tablets, USP contains 500 mg Sulfadiazine, USP. Inactive ingredients: corn starch, colloidal silicon dioxide, croscarmellose sodium, calcium stearate, lactose monohydrate, and sucrose. Sulfadiazine, USP occurs as a white or slightly yellow powder. It is odorless or nearly so and slowly darkens on exposure to light. It is practically insoluble in water and slightly soluble in alcohol. The chemical name of sulfadiazine is N 1 -2-pyrimidinylsulfanilamide. The empirical formula is C 10 H 10 N 4 O 2 S. It has a molecular weight of 250.28. The pH ranges between 5.5 and 7.5. The structural is shown below: C 10 H 10 N 4 O 2 S M.W. 250.28 Sulfadiazine Most sulfonamides slowly darken on exposure to light. image description

Sulfamethoxazole and trimethoprim is a synthetic antibacterial combination product available in DS (double strength) tablets, each containing 800 mg sulfamethoxazole and 160 mg trimethoprim and in tablets, each containing 400 mg sulfamethoxazole and 80 mg trimethoprim for oral administration. Sulfamethoxazole, USP is N 1 -(5-methyl-3-isoxazolyl) sulfanilamide; the molecular formula is C 10 H 11 N 3 O 3 S. It is an almost white, odorless, tasteless compound with a molecular weight of 253.28 and the following structural formula: Trimethoprim, USP is 2,4-diamino-5-(3,4,5-trimethoxybenzyl) pyrimidine; the molecular formula is C 14 H 18 N 4 O 3 . It is a white to light yellow, odorless, bitter compound with a molecular weight of 290.3 and the following structural formula: Inactive ingredients: Docusate sodium 85%, magnesium stearate, povidone, pregelatinized starch, and sodium starch glycolate. image description image description

Sulfamethoxazole and Trimethoprim Oral Suspension, USP is a synthetic antibacterial combination product with each teaspoonful (5 mL) containing 200 mg sulfamethoxazole and 40 mg trimethoprim. Sulfamethoxazole is N 1 -(5-methyl-3-isoxazolyl) sulfanilamide; the molecular formula is C 10 H 11 N 3 O 3 S. It is an almost white, odorless, tasteless compound with a molecular weight of 253.28 and the following structural formula: Trimethoprim is 2,4-diamino-5-(3,4,5-trimethoxybenzyl) pyrimidine; the molecular formula is C 14 H 18 N 4 O 3 . It is a white to light yellow, odorless, bitter compound with a molecular weight of 290.3 and the following structural formula: Each teaspoonful (5 mL) of sulfamethoxazole and trimethoprim oral suspension (cherry flavor) is an opaque pinkish orange suspension with a cherry aroma and contains 40 mg trimethoprim and 200 mg sulfamethoxazole and the inactive ingredients alcohol not more than 0.5%; methylparaben 0.1% and sodium benzoate 0.1% (added as preservatives), artificial wild cherry flavor, citric acid anhydrous, FD&C Red #40, FD&C Yellow #6, glycerin, microcrystalline cellulose, polysorbate 80, purified water, saccharin sodium, sodium carboxymethylcellulose, sodium citrate dihydrate, and sorbitol solution. image description image description

Sulfasalazine Tablets contain sulfasalazine, 500 mg, for oral administration. Therapeutic Classification : Anti-inflammatory agent. Chemical Designation : 5-([p-(2-pyridylsulfamoyl)phenyl]azo) salicylic acid. Chemical Structure: Molecular Formula: C 18 H 14 N 4 O 5 S Inactive ingredients: Corn starch, magnesium stearate, pregelatinized starch, stearic acid. Chemical Structure:

Tamsulosin hydrochloride is an antagonist of alpha 1A adrenoceptors in the prostate. Tamsulosin hydrochloride is (-)-( R )-5-[2-[[2-( o -Ethoxyphenoxy)ethyl]amino]propyl]-2-methoxybenzenesulfonamide,monohydrochloride. Tamsulosin hydrochloride is a white or almost white crystalline powder that melts with decomposition at approximately 230°C. It is freely soluble in formic acid,sparingly soluble in methanol, slightly soluble in water and dehydrated alcohol, practically insoluble in ether.The empirical formula of tamsulosin hydrochloride is C 20 H 28 N 2 O 5 S • HCl. The molecular weight of tamsulosin hydrochloride is 444.98. Its structural formula is: Each Tamsulosin Hydrochloride Capsule, USP for oral administration contains tamsulosin hydrochloride 0.4 mg, and the following inactive ingredients: microcrystalline cellulose, Eudragit L30D-55 dispersion, hypromellose, triacetin ,calcium stearate, talc, iron oxide red, iron oxide yellow, FD&C blue 2, titanium dioxide, gelatin and trace amounts of black edible ink (containing: shellac, dehydrated alcohol, isopropyl alcohol, butyl alcohol, propylene glycol, strong ammonia solution, black iron oxide and potassium hydroxide). FDA approved dissolution test specifications differ from USP. tamsulosin-structure

Tavaborole topical solution, 5% contains tavaborole, 5% (w/w) in a clear, colorless alcohol-based solution for topical use. The active ingredient, tavaborole, is an oxaborole antifungal with the chemical name of 5-fluoro-1,3-dihydro-1-hydroxy-2,1-benzoxaborole. The chemical formula is C 7 H 6 BFO 2 , the molecular weight is 151.93 and the structural formula is: Tavaborole is a white to off-white powder. It is slightly soluble in water and freely soluble in ethanol and propylene glycol. Each mL of tavaborole topical solution contains 43.5 mg of tavaborole. Inactive ingredients include ethyl alcohol (76.4% v/v), edetate calcium disodium, propylene glycol, and purified water. image description

Telmisartan Tablets USP are a non-peptide angiotensin II receptor (type AT 1 ) antagonist. Telmisartan, USP is chemically described as 4'-[(1,4'-dimethyl-2'-propyl [2,6'-bi-1H-benzimidazol]-1'-yl)methyl]-[1,1'-biphenyl]-2-carboxylic acid. Its empirical formula is C 33 H 30 N 4 O 2 , its molecular weight is 514.63, and its structural formula is: Telmisartan, USP is a white to slightly yellowish solid. It is practically insoluble in water and in the pH range of 3 to 9, sparingly soluble in strong acid (except insoluble in hydrochloric acid), and soluble in strong base. Telmisartan Tablets USP are available as tablets for oral administration, containing 20 mg, 40 mg or 80 mg of telmisartan, USP. The tablets contain the following inactive ingredients: magnesium stearate, mannitol, meglumine and sodium hydroxide. Telmisartan Tablets USP are hygroscopic and require protection from moisture. image description

Tenofovir disoproxil fumarate tablets is the brand name for tenofovir disoproxil fumarate (TDF) (a prodrug of tenofovir) which is a fumaric acid salt of bis-isopropoxycarbonyloxymethyl ester derivative of tenofovir. TDF is converted in vivo to tenofovir, an acyclic nucleoside phosphonate (nucleotide) analog of adenosine 5’-monophosphate. Tenofovir exhibits activity against HIV-1 reverse transcriptase. The chemical name of TDF is 9-[( R )-2- [[bis[[(isopropoxycarbonyl)oxy]methoxy]phosphinyl]methoxy]propyl]adenine fumarate (1:1). It has a molecular formula of C 19 H 30 N 5 O 10 P • C 4 H 4 O 4 and a molecular weight of 635.51 g/mol. It has the following structural formula: Tenofovir disoproxil fumarate is a white to off-white powder, slightly soluble in water. It has an octanol/phosphate buffer (pH 6.5) partition coefficient (log p) of 1.25 at 25°C. Tenofovir disoproxil fumarate is available as tablets. Tenofovir disoproxil fumarate tablets are for oral administration in strength of 300 mg of TDF, which is equivalent to 245 mg of tenofovir disoproxil. Each tablet contains the following inactive ingredients: anhydrous lactose, calcium stearate, colloidal silicon dioxide, crospovidone, FD&C Blue No. 2 lake 12 to 14%, polyethylene glycol, polyvinyl alcohol, talc, and titanium dioxide. In this insert, all dosages are expressed in terms of TDF except where otherwise noted. image description