epic pharma, llc - Medication Listings

Metformin Hydrochloride Extended-Release Tablets, USP contain the antihyperglycemic agent metformin, which is a biguanide, in the form of monohydrochloride.The chemical name of metformin hydrochloride is N,N -dimethylimidodicarbonimidic diamide hydrochloride. The structural formula is as shown below: Metformin hydrochloride, USP is a white to off-white crystalline compound with a molecular formula of C 4 H 11 N 5 •HCl and a molecular weight of 165.63. It is freely soluble in water and is practically insoluble in acetone, ether, and chloroform. The pKa of metformin is 12.4. The pH of a 1% aqueous solution of metformin hydrochloride is 6.68. Metformin Hydrochloride Extended-Release Tablets, USP contain 500 mg or 750 mg of metformin hydrochloride, which is equivalent to 389.93 mg, 584.90 mg metformin base, respectively. Metformin Hydrochloride Extended-Release Tablets, USP 500 mg contain the inactive ingredients carboxymethylcellulose sodium, hypromellose, microcrystalline cellulose, and magnesium stearate. Metformin Hydrochloride Extended-Release Tablets, USP 750 mg contain the inactive ingredients carboxymethylcellulose sodium, FD&C yellow #6 aluminum lake, hypromellose, microcrystalline cellulose, and magnesium stearate. USP dissolution test 16 is used. structure

Metformin hydrochloride extended-release tablets contain the biguanidine antihyperglycemic agent, metformin, in the form of monohydrochloride salt. The chemical name of metformin HCl is N, N-dimethylimidodicarbonimidic diamide hydrochloride with a molecular formula of C 4 H 11 N 5 •HCl and a molecular weight of 165.63. Its structural formula is: Metformin HCl is a white or almost white crystals powder that is freely soluble in water and is practically insoluble in acetone, ether, and chloroform. The pKa of metformin is 12.4. The pH of a 1% aqueous solution of metformin HCl is 6.68. Metformin hydrochloride extended-release tablets deliver 500 mg or 1,000 mg of metformin HCl, which is equivalent to 389.93 mg or 779.86 mg metformin, respectively. In addition to the active ingredient metformin HCl, each tablet contains the following inactive ingredients: Povidone, Sodium Lauryl Sulfate, Magnesium Stearate, Cellulose Acetate, Polyethylene Glycol (PEG 400, PEG 8000), Triacetin, Hypromellose, Titanium Dioxide, Polysorbate 80, Ferrosoferric Oxide, Shellac. Metformin Meets USP Dissolution Test 5. structure-formula.jpg

Metformin hydrochloride tablets, USP contain the antihyperglycemic agent metformin, which is a biguanide, in the form of monohydrochloride. The chemical name of metformin hydrochloride is N, N-dimethylimidodicarbonimidic diamide hydrochloride. The structural formula is as shown below: Metformin hydrochloride, USP is a white to off-white crystalline compound with a molecular formula of C 4 H 11 N 5 •HCl and a molecular weight of 165.63. Metformin hydrochloride is freely soluble in water, slightly soluble in alcohol, practically insoluble in acetone and in methylene chloride. The pKa of metformin is 12.4. The pH of a 1% aqueous solution of metformin hydrochloride is 6.68. Each metformin hydrochloride tablet, USP, contain 500 mg, 850 mg, or 1000 mg of metformin hydrochloride. Each tablet contains the inactive ingredients: povidone (K-30), povidone (K-90), pregelatinized starch, and magnesiium stearate. In addition, the coating for the tablet contains artificial blackberry flavor, hypromellose, macrogol and titanium dioxide. structure formula

Amlodipine besylate is the besylate salt of amlodipine, a long-acting calcium channel blocker. Amlodipine besylate is chemically described as 3-Ethyl-5-methyl (±)-2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-1,4-dihydro-6-methyl-3,5-pyridinedicarboxylate, monobenzenesulphonate. Its empirical formula is C 20 H 25 CIN 2 O 5 •C 6 H 6 O 3 S, and its structural formula is: Amlodipine besylate is a white crystalline powder with a molecular weight of 567.1. It is slightly soluble in water and sparingly soluble in ethanol. Amlodipine besylate tablets, USP are formulated as white tablets equivalent to 2.5, 5, and 10 mg of amlodipine for oral administration. In addition to the active ingredient, amlodipine besylate, each tablet contains the following inactive ingredients: microcrystalline cellulose, corn starch, sodium starch glycolate and magnesium stearate. Meet USP Dissolution Test 1. structure-formula.jpg

Metoprolol succinate, is a beta 1 -selective (cardioselective) adrenoceptor blocking agent, for oral administration, available as extended-release tablets. Metoprolol Succinate Extended-Release Tablets, USP have been formulated to provide a controlled and predictable release of metoprolol for once-daily administration. The tablets comprise a multiple unit system containing metoprolol succinate in a multitude of controlled release pellets. Each pellet acts as a separate drug delivery unit and is designed to deliver metoprolol continuously over the dosage interval. The tablets contain 23.75, 47.5, 95 and 190 mg of metoprolol succinate equivalent to 25, 50, 100 and 200 mg of metoprolol tartrate, USP, respectively. Its chemical name is (±)1-(isopropyl amino)-3-[p-(2-methoxyethyl)phenoxy]-2-propanol succinate (2:1) (salt). Its structural formula is: Metoprolol succinate, USP is a white crystalline powder with a molecular weight of 652.8. It is freely soluble in water; soluble in methanol; sparingly soluble in ethanol; slightly soluble in dichloromethane and 2-propanol; practically insoluble in ethyl-acetate, acetone, diethyl ether and heptane. Inactive ingredients: colloidal silicon dioxide, crospovidone, ethylcellulose, hypromellose, lactose monohydrate (25 mg and 50 mg), magnesium stearate, microcrystalline cellulose, polyethylene glycol, polyvinyl alcohol-partially hydrolyzed, sugar spheres (composed of corn starch and sucrose), talc, titanium dioxide and triethyl citrate. FDA approved dissolution test specifications differ from USP. structure

Gabapentin tablets contain gabapentin, a gamma-aminobutyric acid (GABA) analogue, as the active pharmaceutical ingredient. Gabapentin’s chemical name is 1-(aminomethyl)cyclohexaneacetic acid; with a molecular formula of C 9 H 17 NO 2 and a molecular weight of 171.24 g/mol. Gabapentin chemical structural formula is: Gabapentin is a white to off-white crystalline solid with a pKa1 of 3.7 and a pKa2 of 10.7. It is freely soluble in water and acidic and basic solutions. The log of the partition coefficient (n-octanol/ 0.05M phosphate buffer) at pH 7.4 is -1.25. Gabapentin is intended for oral administration and is supplied as tablets containing 300 mg or 600 mg of gabapentin. Each 300 mg tablet contains the inactive ingredients copovidone, hypromellose, magnesium stearate, microcrystalline cellulose, polyethylene oxide, and Opadry ® II white. Opadry ® II white contains polyvinyl alcohol, polyethylene glycol, titanium dioxide, and talc. Each 600 mg tablet contains the inactive ingredients copovidone, hypromellose, magnesium stearate, polyethylene oxide, and Opadry ® II orange. Opadry ® II orange contains D&C yellow #10 aluminum lake, FD&C red #40 aluminum lake, polyvinyl alcohol, polyethylene glycol, titanium dioxide, and talc. structure-formula.jpg

The active ingredient in gabapentin capsules, USP is gabapentin which has the chemical name 1-(aminomethyl)cyclohexaneacetic acid. The molecular formula of gabapentin is C 9 H 17 NO 2 and the molecular weight is 171.24. The structural formula of gabapentin is: Gabapentin is a white to off-white crystalline solid with a pK a1 of 3.7 and a pK a2 of 10.7. 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 –1.25. Each gabapentin capsule, USP contains 100 mg, 300 mg, or 400 mg of gabapentin, USP and the following inactive ingredients: corn starch and magnesium stearate. The 100 mg capsule shell contains gelatin and titanium dioxide. The 300 mg capsule shell contains gelatin, titanium dioxide and yellow iron oxide. The 400 mg capsule shell contains gelatin, red iron oxide, titanium dioxide and yellow iron oxide. The imprinting ink contains FD&C Blue No. 1 Aluminum Lake, propylene glycol, shellac and titanium dioxide. structural-formula.jpg

Celecoxib caspsule is a nonsteroidal anti-inflammatory drug, available as capsules containing 50 mg, 100 mg, 200 mg and 400 mg celecoxib for oral administration. The chemical name is 4-[5-(4-methylphenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl] benzenesulfonamide and is a diaryl-substituted pyrazole. The molecular weight is 381.38. Its molecular formula is C 17 H 14 F 3 N 3 O 2 S, and it has the following chemical structure: Celecoxib is a white to off-white powder with a pKa of 11.1 (sulfonamide moiety). Celecoxib is hydrophobic (log P is 3.5) and is practically insoluble in aqueous media at physiological pH range. The inactive ingredients in celecoxib capsules include: croscarmellose sodium, lactose monohydrate, magnesium stearate, povidone and sodium lauryl sulfate. The 50 mg, 100 mg, 200 mg and 400 mg capsule shell contains: gelatin, titanium dioxide, and edible inks. The edible ink contains the following non-volatile components: shellac; in addition, 50 mg capsule printing ink (yellow) contains yellow iron oxide and simethicone, 100 mg capsule printing ink (blue) contains titanium dioxide and FD&C blue #1 aluminum lake, 200 mg capsule printing ink (green) contains FD&C blue#1 aluminum lake and FD&C yellow#5 aluminum lake, and 400 mg capsule printing ink (red) contains red iron oxide, potassium hydroxide, and black iron oxide. chemical structure

Azithromycin for oral suspension USP contains the active ingredient azithromycin, a macrolide antibacterial drug, for oral administration. Azithromycin has the chemical name (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-13-[(2,6-dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-2-ethyl-3,4,10-trihydroxy-3,5,6,8,10,12,14-heptamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-1-oxa-6-azacyclopentadecan-15-one monohydrate. Azithromycin is derived from erythromycin; however, it differs chemically from erythromycin in that a methyl-substituted nitrogen atom is incorporated into the lactone ring. Its molecular formula is C 38 H 72 N 2 O 12 ∙H2O, and its molecular weight is 767.00. Azithromycin has the following structural formula: Azithromycin, USP, as the monohydrate, is a white to off-white crystalline powder with a molecular formula of C 38 H 72 N 2 O 12 •H2O and a molecular weight of 767.00. Azithromycin for Oral Suspension USP is supplied in bottles containing azithromycin monohydrate powder equivalent to 300 mg, 600 mg, 900 mg, or 1200 mg azithromycin, USP per bottle and the following inactive ingredients: colloidal silicon dioxide, FD & C Red No. 40 Aluminum Lake, hydroxypropyl cellulose, sodium phosphate tribasic anhydrous, sucrose, natural and artificial banana flavor, natural and artificial cherry flavor and xanthan gum. After constitution, each 5 mL of suspension contains 100 mg or 200 mg of azithromycin, USP. The dry powder before constitution is off-white to pinkish in color. The suspension after constitution is pink to red in color. structure-formula.jpg

Citalopram tablets contain citalopram, a selective serotonin reuptake inhibitor (SSRI). Citalopram hydrobromide is a racemic bicyclic phthalane structure and is designated (±)-1-(3-dimethylaminopropyl)-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carbonitrile hydrobromide with the following structural formula: The molecular formula is C 20 H 22 BrFN 2 O and its molecular weight is 405.35. Citalopram hydrobromide occurs as a fine, white to off-white powder. Citalopram hydrobromide is sparingly soluble in water and soluble in ethanol. Citalopram hydrobromide is available only in tablet dosage form. Citalopram Tablets USP, 10 mg are modified oval-shaped, white, film-coated tablets, in strengths equivalent to 10 mg citalopram base. Citalopram Tablets USP, 20 mg are modified oval-shaped, white, film-coated tablets, in strengths equivalent to 20 mg of citalopram base. Citalopram Tablets USP, 40 mg are capsule-shaped, white, film-coated tablets in strengths equivalent to 40 mg of citalopram base. In addition, each tablet contains the following inactive ingredients: colloidal silicon dioxide, corn starch, crospovidone, hypromellose, lactose monohydrate, magnesium stearate, polyethylene glycol, polysorbate 80 and titanium dioxide. image-01.jpg

Amantadine hydrochloride, USP is designated chemically as 1-adamantanamine hydrochloride. Its molecular weight is 187.71 with a molecular formula C 10 H 18 NCl. It has the following structural formula: Amantadine hydrochloride, USP is a stable white or nearly white crystalline powder, freely soluble in water and soluble in alcohol and in chloroform. Amantadine hydrochloride, USP has pharmacological actions as both an anti-Parkinson and an antiviral drug. Amantadine hydrochloride, USP is available as 100 mg capsules for oral administration. Inactive ingredients: hydrogenated vegetable oil, lecithin, simethicone, soybean oil, white beeswax. The capsule shells contain: ferric oxide yellow, gelatin, glycerin, purified water, 1,4-sorbitan, mannitol, sorbitol, titanium dioxide, and light mineral oil. The imprinting ink contain: ammonia, black iron oxide, ethanol, n-butyl alcohol, propylene glycol, isopropyl alcohol. structure formula

Amphetamine sulfate, USP is a sympathomimetic amino of the amphetamine group. It is a white crystalline powder. It has a slightly bitter taste. Its solutions are acid to litmus, having a pH of 5 to 8. It is freely soluble in water, slightly soluble in alcohol and practically insoluble in ether. Each tablet, for oral administration contains 5 mg or 10 mg of amphetamine sulfate, USP. Each tablet also contains the following inactive ingredients: colloidal silicon dioxide, crospovidone, microcrystalline cellulose, and stearic acid. The 10 mg tablet also contains FD&C Blue #1 aluminum lake. Structural Formula: structure.jpg

Benzonatate capsules, USP, a non-narcotic oral antitussive agent, is 2, 5, 8, 11, 14, 17, 20, 23, 26- onaoxaoctacosan-28-ylp-(butylamino) benzoate; with a molecular weight of 603.7. Each benzonatate capsules, USP for oral administration contains 100 mg or 200 mg benzonatate, USP. In addition, each capsule contains the following inactive ingredients: D&C Yellow #10, gelatin, glycerin, lecithin, light mineral oil, propylene glycol, purified water, shellac glaze, titanium dioxide, and white edible ink. structure formula

Benzphetamine Hydrochloride Tablets contain the anorectic agent benzphetamine hydrochloride. Benzphetamine hydrochloride is a white crystalline powder readily soluble in water and 95% ethanol. The chemical name for benzphetamine hydrochloride is d -N, α-Dimethyl-N-(phenylmethyl)-benzeneethanamine hydrochloride and its molecular weight is 275.82. The structural formula (dextro form) is represented below: Each film-coated tablet, for oral administration, contains 50 mg of benzphetamine hydrochloride. In addition, each film-coated tablet contains the following inactive ingredients: crospovidone, carnauba wax, FD&C Red #40, FD&C Yellow #6, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol/macrogol, silicon dioxide, and titanium dioxide. Structural Formula for Benzphetamine Hydrochloride

Betaxolol is a β 1 -selective (cardioselective) adrenergic receptor blocking agent available as 10-mg and 20-mg tablets for oral administration. Betaxolol is chemically described as 2-propanol,1-[4-[2-(cyclopropylmethoxy)ethyl]phenoxy]-3-[(1-methylethyl)amino]-,hydrochloride,(±). It has the following chemical structure: Betaxolol hydrochloride is a water-soluble white crystalline powder with a molecular formula of C 18 H 29 NO 3 •HCl and a molecular weight of 343.9. It is freely soluble in water, ethanol, chloroform, and methanol, and has a pKa of 9.4. The inactive ingredients are anhydrous lactose, carnauba wax, hypromellose, microcrystalline cellulose, polyethylene glycol, polysorbate 80, pregeletanized starch (corn), sodium starch glycolate, stearic acid and titanium dioxide. Molecular Weight 343.9

Bupropion hydrochloride extended-release tablets, USP (SR), an antidepressant of the aminoketone class, are chemically unrelated to tricyclic, tetracyclic, selective serotonin re-uptake inhibitor, or other known antidepressant agents. Its structure closely resembles that of diethylpropion; it is related to phenylethylamines. It is designated as (±)-1-(3-chlorophenyl)-2-[(1,1-dimethylethyl)amino]-1-propanone hydrochloride. The molecular weight is 276.2. The molecular formula is C 13 H 18 C l NO HCl. Bupropion hydrochloride powder is white, crystalline, and highly soluble in water. It has a bitter taste and produces the sensation of local anesthesia on the oral mucosa. The structural formula is: BuPROPion Hydrochloride Extended-Release Tablets, USP (SR) are supplied for oral administration as 100 mg (aquamarine), 150 mg (plum), and 200 mg (light pink), film-coated, sustained-release tablets. Each tablet contains the labeled amount of bupropion hydrochloride and the inactive ingredients: carnauba wax, hydroxypropyl cellulose, magnesium stearate, microcrystalline cellulose, hypromellose, titanium dioxide, polyethylene glycol and polysorbate. In addition, the 100 mg tablet contains FD&C blue No. 1 lake and 150 mg tablet contains FD&C red No. 40 lake and FD&C blue No. 2 lake and the 200 mg tablet contains FD&C red No. 40 lake and FD&C yellow No. 6 lake. This product meets USP Dissolution Test 2. structure-formula.jpg

SECTION Bupropion Hydrochloride Extended-Release Tablets, USP (SR) are a non-nicotine aid to smoking cessation. Bupropion Hydrochloride Extended-Release Tablets, USP (SR) are chemically unrelated to nicotine or other agents currently used in the treatment of nicotine addiction. Initially developed and marketed as an antidepressant (WELLBUTRIN ® [bupropion hydrochloride] tablets and WELLBUTRIN SR ® [bupropion hydrochloride] sustained-release tablets), Bupropion Hydrochloride Extended-Release Tablets, USP (SR) are also chemically unrelated to tricyclic, tetracyclic, selective serotonin re-uptake inhibitor, or other known antidepressant agents. Its structure closely resembles that of diethylpropion; it is related to phenylethylamines. It is designated as (±)-1-(3-chlorophenyl)-2-[(1,1-dimethylethyl)amino]-1-propanone hydrochloride. The molecular weight is 276.2. The molecular formula is C 13 H 18 ClNO•HCl. Bupropion hydrochloride powder is white, crystalline, and highly soluble in water. It has a bitter taste and produces the sensation of local anesthesia on the oral mucosa. The structural formula is: Bupropion Hydrochloride Extended-Release Tablets, USP (SR) are supplied for oral administration as 150-mg (purple), film-coated, extended-release tablets. Each tablet contains the labeled amount of bupropion hydrochloride and the inactive ingredients: colloidal silicon dioxide, hydroxypropyl cellulose, L-cysteine hydrochloride monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polyvinyl alcohol-part hydrolyzed, povidone, talc and titanium dioxide. In addition, the 150-mg tablet contains FD&C Blue No. 2 aluminum lake and FD&C Red No. 40 aluminum lake. FDA approved dissolution test specifications differ from USP. chemical-structure.jpg

Bupropion Hydrochloride Extended-Release Tablets USP (SR), an antidepressant of the aminoketone class, is chemically unrelated to tricyclic, tetracyclic, selective serotonin re-uptake inhibitor, or other known antidepressant agents. Its structure closely resembles that of diethylpropion; it is related to phenylethylamines. It is designated as (±)-1-(3-chlorophenyl)-2-[(1,1-dimethylethyl)amino]-1­propanone hydrochloride. The molecular weight is 276.2. The molecular formula is C 13 H 18 ClNO•HCl. Bupropion hydrochloride powder is white, crystalline, and highly soluble in water. It has a bitter taste and produces the sensation of local anesthesia on the oral mucosa. The structural formula is: Bupropion Hydrochloride Extended-Release Tablets USP (SR) are supplied for oral administration as 100-mg (light blue), 150-mg (purple), and 200-mg (pink), film-coated, sustained-release tablets. Each tablet contains the labeled amount of bupropion hydrochloride USP and the inactive ingredients: colloidal silicon dioxide, hydroxypropyl cellulose, L-cysteine hydrochloride monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polyvinyl alcohol-part hydrolyzed, povidone, talc and titanium dioxide. In addition, the 100-mg tablet contains FD&C blue No. 1 aluminum lake and FD&C blue No. 2 aluminum lake; the 150-mg tablet contains FD&C blue No. 2 aluminum lake and FD&C red No. 40 aluminum lake, and the 200-mg tablet contains FD&C red No. 40 aluminum lake. Bupropion Hydrochloride Extended-Release Tablets, USP (SR) meet USP Dissolution Test 2. structure

Bupropion Hydrochloride USP, an antidepressant of the aminoketone class, is chemically unrelated to tricyclic, tetracyclic, selective serotonin reuptake inhibitor, or other known antidepressant agents. Its structure closely resembles that of diethylpropion; it is related to phenylethylamines. It is designated as (±)-1-(3-chorophenyl)-2-[(1,1-dimethylethyl)amino]-1-propanone hydrochloride. The molecular weight is 276.2. The molecular formula is C 13 H 18 ClNO•HCl. Bupropion hydrochloride powder is white, crystalline, and highly soluble in water. It has a bitter taste and produces the sensation of local anesthesia on the oral mucosa. The structural formula is: Bupropion Hydrochloride Extended-Release Tablets USP (XL) are supplied for oral administration as 150 mg and 300 mg white to pale yellow extended-release tablets. Each tablet contains the labeled amount of bupropion hydrochloride and the inactive ingredients: cysteine hydrochloride, ethylcellulose, methacrylic acid copolymer dispersion, lecithin, magnesium stearate, polyvinyl alcohol, polyethylene glycol, povidone, silicon dioxide, talc, triethyl citrate and titanium dioxide. The tablets are printed with black ink containing ammonium hydroxide, ferrosoferric oxide, propylene glycol, shellac glaze. The insoluble shell of the extended-release tablet may remain intact during gastrointestinal transit and is eliminated in the feces. USP dissolution test 22 is used. bupropion-structure

Bupropion hydrochloride, an antidepressant of the aminoketone class, is chemically unrelated to tricyclic, tetracyclic, selective serotonin reuptake inhibitor, or other known antidepressant agents. Its structure closely resembles that of diethylpropion; it is related to phenylethylamines. It is designated as (±)-1-(3-chorophenyl)-2-[(1,1-dimethylethyl)amino]-1-propanone hydrochloride. The molecular weight is 276.2. The molecular formula is C13H18ClNO•HCl. Bupropion hydrochloride powder is white, crystalline, and highly soluble in water. It has a bitter taste and produces the sensation of local anesthesia on the oral mucosa. The structural formula is: Bupropion hydrochloride extended-release tablets (XL) are supplied for oral administration as 150 mg and 300 mg white, round, extended-release tablets. Each tablet contains the labeled amount of bupropion hydrochloride and the inactive ingredients: colloidal silicon dioxide, copovidone, ethyl cellulose, hydroxypropyl cellulose, glyceryl behenate, methacrylic acid copolymer and silicon dioxide. The tablets are printed with edible black ink. The insoluble shell of the extended-release tablet may remain intact during gastrointestinal transit and is eliminated in the feces. USP dissolution test is pending. structural-formula

Buspirone hydrochloride capsules are antianxiety agents that are not chemically or pharmacologically related to the benzodiazepines, barbiturates, or other sedative/anxiolytic drugs. Buspirone hydrochloride is a white crystalline, water soluble compound with a molecular weight of 422.0. Chemically, buspirone hydrochloride is 8-[4-[4-(2- pyrimidinyl)- 1-piperazinyl]butyl]-8-azaspiro[4.5]decane-7,9- dione monohydrochloride. The empirical formula C 21 H 31 N 5 0 2 ∙ HCl is represented by the following structural formula: Buspirone hydrochloride capsules are supplied as capsules for oral administration. Buspirone hydrochloride capsules contains 7.5 mg, 10 mg, or 15 mg of buspirone hydrochloride, USP (equivalent to 6.8 mg, 9.1 mg, and 13.7 mg of buspirone free base, respectively) in a hard gelatin shell. Each capsule also contains the following inactive ingredients: colloidal silicon dioxide, lactose anhydrous, magnesium stearate, microcrystalline cellulose and sodium starch glycolate. The shell consists of black ink, gelatin, titanium dioxide, fd&c blue no. 1 (7.5 mg, 10 mg, and 15 mg), and black iron oxide (10 mg) and is imprinted with edible ink. structure.jpg

Buspirone hydrochloride tablets, USP are an antianxiety agent that is not chemically or pharmacologically related to the benzodiazepines, barbiturates, or other sedative/anxiolytic drugs. Buspirone hydrochloride is a white crystalline, water soluble compound with a molecular weight of 421.96. Chemically, buspirone hydrochloride is 8-[4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl]-8-azaspiro [4,5]decane-7,9-dione monohydrochloride. The empirical formula C 21 H 31 N 5 O 2 •HCl is represented by the following structural formula: C 21 H 31 N 5 O 2 •HCl M.W. 421.96 Each tablet, for oral administration, contains 5 mg, 7.5 mg, 10 mg, 15 mg or 30 mg of buspirone hydrochloride, USP (equivalent to 4.6 mg, 6.9 mg, 9.1 mg, 13.7 mg and 27.4 mg of buspirone free base, respectively). The 5 mg and 10 mg tablets are scored so they can be bisected. Thus, the 5 mg tablet can also provide a 2.5 mg dose, and the 10 mg tablet can provide a 5 mg dose. The 15 mg tablets and 30 mg tablets are scored such that they may be bisected or trisected. Thus, a single 15 mg tablet can provide the following doses: 15 mg (entire tablet), 10 mg (two-thirds of a tablet), 7.5 mg (one-half of a tablet), or 5 mg (one-third of a tablet). A single 30 mg tablet can provide the following doses: 30 mg (entire tablet), 20 mg (two-thirds of a tablet), 15 mg (one-half of a tablet), or 10 mg (one-third of a tablet). Buspirone hydrochloride tablets, USP contain the following inactive ingredients: anhydrous lactose, colloidal silicon dioxide, magnesium stearate, microcrystalline cellulose, and sodium starch glycolate. structural-formula

Buspirone hydrochloride tablets, USP is an antianxiety agent that is not chemically or pharmacologically related to the benzodiazepines, barbiturates, or other sedative/‌anxiolytic drugs. Buspirone hydrochloride is a white crystalline, water soluble compound with a molecular weight of 422.0. Chemically, buspirone hydrochloride is N -[4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl]-1,1-cyclopentanediacetamide monohydrochloride, which can be represented by the following tructural formula: Each tablet for oral administration contains 5 mg, 10 mg, 15 mg, or 30 mg of buspirone hydrochloride, USP (equivalent to 4.6 mg, 9.1 mg, 13.7 mg, and 27.4 mg of buspirone free base, respectively). The 5 mg and 10 mg tablets are scored so they can be bisected. Thus, the 5 mg tablet can also provide a 2.5 mg dose, and the 10 mg tablet can provide a 5 mg dose. The 15 mg tablets are scored so they can be either bisected or trisected. Thus, a single 15 mg tablet can provide the following doses: 15 mg (entire tablet), 10 mg (two thirds of a tablet), 7.5 mg (one half of a tablet), or 5 mg (one third of a tablet). A single 30 mg tablet can provide the following doses: 30 mg (entire tablet), 20 mg (two thirds of a tablet), 15 mg (one half of a tablet), or 10 mg (one third of a tablet). Buspirone hydrochloride tablets USP contain the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, microcrystalline cellulose, and sodium starch glycolate. structure-formula

Carbamazepine USP, is an anticonvulsant and specific analgesic for trigeminal neuralgia, available for oral administration as chewable tablets of 100 mg, tablets of 200 mg, extended-release tablets of 100, 200, and 400 mg, and as a suspension of 100 mg/5 mL (teaspoon). Its chemical name is 5 H -dibenz[ b,f ]azepine-5-carboxamide, and its structural formula is: Carbamazepine USP is a white to off-white powder, practically insoluble in water and soluble in alcohol and in acetone. Its molecular weight is 236.27. Each Carbamazepine Extended-Release Tablet intended for oral administration contains 100 mg, 200 mg or 400 mg of carbamazepine. In addition, each extended-release tablet contains the following inactive ingredients: Inactive Ingredients: Hypromellose, hydroxyethyl cellulose, cellulose acetate, polyethylene glycol, mannitol, dextrates, sodium lauryl sulfate, and magnesium stearate. Each tablet is printed with Opacode Black S-1-17823 ink which contains ammonium hydroxide, iron oxide black, isopropyl alcohol, n-butyl alcohol, propylene glycol and shellac. FDA spproved dissolution test specifications differ from USP. Carbamazepine structural formula

Chlordiazepoxide hydrochloride, is the prototype for the benzodiazepine compounds. It is a versatile therapeutic agent of proven value for the relief of anxiety. Chlordiazepoxide hydrochloride is among the safer of the effective psychopharmacologic compounds available, as demonstrated by extensive clinical evidence. Chlordiazepoxide hydrochloride is available as capsules containing 5 mg, 10 mg or 25 mg chlordiazepoxide hydrochloride. Each capsule also contains corn starch, lactose monohydrate and talc. Gelatin capsule shells may contain methyl and propyl parabens and potassium sorbate, with the following dye systems: 5-mg capsules – FD&C Yellow No. 6 plus D&C Yellow No. 10 and either FD&C Blue No. 1 or FD&C Green No. 3. 10-mg capsules – D&C Yellow No. 10 and either FD&C Blue No. 1 plus FD&C Red No. 3 or FD&C Green No. 3 plus FD&C Red No. 40. 25-mg capsules – D&C Yellow No. 10 and either FD&C Green No. 3 or FD&C Blue No. 1. Chlordiazepoxide hydrochloride is 7-chloro-2-(methylamino)-5-phenyl-3H-1,4-benzodiazepine 4-oxide hydrochloride. A white to practically white crystalline substance, it is soluble in water. It is unstable in solution and the powder must be protected from light. The molecular weight is 336.22. The structural formula of chlordiazepoxide hydrochloride is as follows: structure-formula.jpg

Chlordiazepoxide Hydrochloride, is the prototype for the benzodiazepine compounds. It is a versatile therapeutic agent of proven value for the relief of anxiety. Chlordiazepoxide Hydrochloride is among the safer of the effective psychopharmacologic compounds available, as demonstrated by extensive clinical evidence. Chlordiazepoxide Hydrochloride is available as capsules containing 5 mg, 10 mg or 25 mg chlordiazepoxide hydrochloride. Each capsule also contains corn starch, lactose and talc. Gelatin capsule shells may contain methyl and propyl parabens and potassium sorbate, with the following dye systems: 5-mg capsules – FD&C Yellow No. 6 plus D&C Yellow No. 10 and either FD&C Blue No. 1 or FD&C Green No. 3. 10-mg capsules – D&C Yellow No. 10 and either FD&C Blue No. 1 plus FD&C Red No. 3 or FD&C Green No. 3 plus FD&C Red No. 40. 25-mg capsules – D&C Yellow No. 10 and either FD&C Green No. 3 or FD&C Blue No. 1. Chlordiazepoxide Hydrochloride is 7-chloro-2-(methylamino)-5-phenyl-3H-1,4-benzodiazepine 4-oxide hydrochloride. A white to practically white crystalline substance, it is soluble in water. It is unstable in solution and the powder must be protected from light. The molecular weight is 336.22. The structural formula of chlordiazepoxide hydrochloride is as follows: structure-formula.jpg

Cholestyramine for Oral Suspension, USP powder, the chloride salt of a basic anion exchange resin, a cholesterol lowering agent, is intended for oral administration. Cholestyramine resin is quite hydrophilic, but insoluble in water. Cholestyramine resin is not absorbed from the digestive tract. Each Nine grams of Cholestyramine for Oral Suspension, USP powder contain 4 grams of cholestyramine resin. It is represented by the following structural formula: Representation of structure of main polymeric groups Inactive ingredients: citric acid anhydrous, fructose, mono ammonium glycyrrhizinate, pectin, propylene glycol alginate, sorbitol, sucrose, xanthan gum, natural and artificial orange flavor, D&C yellow No. 10 aluminum lake, FD&C yellow No. 6 aluminum lake. structure-formula.jpg

Cholestyramine for Oral Suspension, USP powder, the chloride salt of a basic anion exchange resin, a cholesterol lowering agent, is intended for oral administration. Cholestyramine resin is quite hydrophilic, but insoluble in water. Cholestyramine resin is not absorbed from the digestive tract. Each Nine grams of Cholestyramine for Oral Suspension, USP powder contain 4 grams of cholestyramine resin. It is represented by the following structural formula: Representation of structure of main polymeric groups Inactive ingredients: citric acid anhydrous, fructose, mono ammonium glycyrrhizinate, pectin, propylene glycol alginate, sorbitol, sucrose, xanthan gum, natural and artificial orange flavor, D&C yellow No. 10 aluminum lake, FD&C yellow No. 6 aluminum lake. structure-formula.jpg

Cholestyramine for Oral Suspension, USP powder, the chloride salt of a basic anion exchange resin, a cholesterol lowering agent, is intended for oral administration. Cholestyramine resin is quite hydrophilic, but insoluble in water. Cholestyramine resin is not absorbed from the digestive tract. Each Nine grams of Cholestyramine for Oral Suspension, USP powder contain 4 grams of cholestyramine resin. It is represented by the following structural formula: Representation of structure of main polymeric groups Inactive ingredients: citric acid anhydrous, fructose, mono ammonium glycyrrhizinate, pectin, propylene glycol alginate, sorbitol, sucrose, xanthan gum, natural and artificial orange flavor, D&C yellow No. 10 aluminum lake, FD&C yellow No. 6 aluminum lake. structure-formula.jpg

Cholestyramine for Oral Suspension, USP Light powder, the chloride salt of a basic anion exchange resin, a cholesterol-lowering agent, is intended for oral administration. Cholestyramine resin is quite hydrophilic, but insoluble in water. Cholestyramine resin is not absorbed from the digestive tract. Each 5.7 grams of Cholestyramine for Oral Suspension, USP Light powder contain 4 grams of cholestyramine resin. It is represented by the following structural formula: Representation of structure of main polymeric groups Inactive Ingredients: aspartame, citric acid anhydrous, colloidal silicon dioxide, fructose, mannitol, mono ammonium glycyrrhizinate, pectin, propylene glycol alginate, sorbitol, xanthan gum, natural and artificial orange flavor, D&C yellow No. 10 aluminum lake and FD&C yellow No. 6 aluminum lake. structure-formula.jpg

Cholestyramine for Oral Suspension, USP Light powder, the chloride salt of a basic anion exchange resin, a cholesterol-lowering agent, is intended for oral administration. Cholestyramine resin is quite hydrophilic, but insoluble in water. Cholestyramine resin is not absorbed from the digestive tract. Each 5.7 grams of Cholestyramine for Oral Suspension, USP Light powder contain 4 grams of cholestyramine resin. It is represented by the following structural formula: Representation of structure of main polymeric groups Inactive Ingredients: aspartame, citric acid anhydrous, colloidal silicon dioxide, fructose, mannitol, mono ammonium glycyrrhizinate, pectin, propylene glycol alginate, sorbitol, xanthan gum, natural and artificial orange flavor, D&C yellow No. 10 aluminum lake and FD&C yellow No. 6 aluminum lake. structure-formula.jpg

Cholestyramine for Oral Suspension, USP Light powder, the chloride salt of a basic anion exchange resin, a cholesterol-lowering agent, is intended for oral administration. Cholestyramine resin is quite hydrophilic, but insoluble in water. Cholestyramine resin is not absorbed from the digestive tract. Each 5.7 grams of Cholestyramine for Oral Suspension, USP Light powder contain 4 grams of cholestyramine resin. It is represented by the following structural formula: Representation of structure of main polymeric groups Inactive Ingredients: aspartame, citric acid anhydrous, colloidal silicon dioxide, fructose, mannitol, mono ammonium glycyrrhizinate, pectin, propylene glycol alginate, sorbitol, xanthan gum, natural and artificial orange flavor, D&C yellow No. 10 aluminum lake and FD&C yellow No. 6 aluminum lake. structure-formula.jpg

Cyclophosphamide is an alkylating drug. It is an antineoplastic drug chemically related to the nitrogen mustards. The chemical name for cyclophosphamide is 2-[bis(2-chloroethyl)amino]tetrahydro-2H-1,3,2-oxazaphosphorine 2-oxide monohydrate, and has the following structural formula: Cyclophosphamide has a molecular formula of C 7 H 15 Cl 2 N 2 O 2 P•H 2 O and a molecular weight of 279.1. Cyclophosphamide is soluble in water, saline, or ethanol. Cyclophosphamide for Injection, USP is a sterile white crystal or crystalline powder available as 500 mg, 1 g, and 2 g strength single-dose vials. •500 mg vial contains 534.5 mg cyclophosphamide monohydrate equivalent to 500 mg cyclophosphamide•1 g vial contains 1069 mg cyclophosphamide monohydrate equivalent to 1 g cyclophosphamide•2 g vial contains 2138 mg cyclophosphamide monohydrate equivalent to 2 g cyclophosphamide Cyclophosphamide Structural Formula

Deferasirox is an iron-chelating agent provided as granules for oral use. Deferasirox is designated chemically as 4-[3,5-bis(2-hydroxyphenyl)-1H-1,2,4-triazol-1-yl] benzoic acid and has the following structural formula: Deferasirox is a white to slightly yellow powder. It has a molecular formula C21H15N3O4 and molecular weight of 373.4 g/mol. It is insoluble in water with a pH of suspension of 4.1. Deferasirox Oral Granules contain 90 mg, 180 mg, or 360 mg deferasirox. Inactive ingredients include crospovidone, magnesium stearate, microcrystalline cellulose, poloxamer, povidone, silicon dioxide. structural-formula.jpg

Demeclocycline hydrochloride, USP is an antibiotic isolated from a mutant strain of Streptomyces aureofaciens. Chemically it is 7-Chloro-4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12, 12a-pentahydroxy-1,11-dioxo-2-naphthacenecarboxamide monohydrochloride. The structural formula is: Each film-coated tablet, for oral administration contains 150 mg or 300 mg of demeclocycline hydrochloride, USP and has the following inactive ingredients: carnauba wax, colloidal silicon dioxide, crospovidone, hydroxypropyl cellulose, hypromelloses, magnesium stearate, microcrystalline cellulose, polydextrose, polyethylene glycol, pregelatinized starch, talc, titanium dioxide, triacetin, D&C Red No. 27 Aluminum Lake, D&C Red No. 30 Aluminum Lake, FD&C Blue No. 1 Aluminum Lake and FD&C Yellow No. 6 Aluminum Lake. demeclocycline-hcl-structural-formula

A single-entity amphetamine product combining the neutral sulfate salts of dextroamphetamine and amphetamine, with the dextro isomer of amphetamine saccharate and d, l-amphetamine aspartate monohydrate. EACH TABLET CONTAINS: 5 mg 10 mg 15 mg 20 mg 30 mg Dextroamphetamine Saccharate 1.25 mg 2. 5 mg 3.75 mg 5 mg 7.5 mg Amphetamine Aspartate Monohydrate 1.25 mg 2. 5 mg 3.75 mg 5 mg 7.5 mg Dextroamphetamine Sulfate, USP 1.25 mg 2. 5 mg 3.75 mg 5 mg 7.5 mg Amphetamine Sulfate, USP 1.25 mg 2. 5 mg 3.75 mg 5 mg 7.5 mg Total amphetamine base equivalence 3.13 mg 6.3 mg 9.4 mg 12.6 mg 18.8 mg In addition, each tablet for oral administration contains the following inactive ingredients: lactose monohydrate, magnesium stearate, microcrystalline cellulose and pregelatinized starch. The 5 mg and 10 mg also contain FD&C Blue #2 Aluminum Lake. The 15 mg, 20 mg and 30 mg also contain D&C Red #27 Aluminum Lake as a color additive.

USES temporarily relieves these symptoms of hay fever or other upper respiratory allergies: runny nose sneezing itchy nose or throat itchy, watery eyes

USES temporarily relieves these symptoms of hay fever or other upper respiratory allergies: runny nose sneezing itchy nose or throat itchy, watery eyes

Doxepin hydrochloride is one of a class of psychotherapeutic agents known as dibenzoxepin tricyclic compounds. The molecular formula of the compound is C 19 H 21 NOHCl having a molecular weight of 316. It is a white crystalline solid readily soluble in water, lower alcohols and chloroform. Inert ingredients for the capsule formulations are: microcrystalline cellulose, partially pregelatinized starch (corn), colloidal silicon dioxide, sodium lauryl sulfate, magnesium stearate. The empty gelatin capsule shells contain D&C Yellow No. 10, gelatin, sodium lauryl sulfate, capsule moisture, elemental iron and titanium dioxide. In addition, the 10 mg, 25 mg and 50 mg empty gelatin capsule shells contain FD&C Yellow No. 6 and the 75 mg and 100 mg empty gelatin capsule shells contain FD&C Green No. 3. The imprinting ink contains iron oxide black, D&C Yellow No. 10 Aluminum Lake, FD&C Blue No. 1 Aluminum Lake, FD&C Blue No. 2 Aluminum Lake, FD&C Red No. 40 Aluminum Lake, propylene glycol, N-Butyl Alcohol and shellac glaze. It meets USP Dissolution Test 3.

Doxycycline hyclate tablets, USP are available as a 20 mg formulation of doxycycline for oral administration. The structural formula of doxycycline hyclate is: with a structural formula of (C 22 H 24 N 2 O 8 •HCl) 2 •C 2 H 6 O•H 2 O and a molecular weight of 1025.89. The chemical designation for doxycycline is 4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide monohydrochloride, compound with ethyl alcohol (2:1), monohydrate. Doxycycline hyclate is a yellow to light-yellow crystalline powder which is soluble in water. Each tablet contains the following inactive ingredients: hypromellose, lactose anhydrous, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polysorbate 80 and titanium dioxide. Meet USP Dissolution Test 5. structure.JPG

Doxycycline is an antibacterial drug synthetically derived from oxytetracycline, and is available as doxycycline hyclate tablets for oral administration. The chemical designation of doxycycline is 4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacene-carboxamide monohydrochloride, compound with ethyl alcohol (2:1), monohydrate. The structural formula of doxycycline hyclate is: with a molecular formula of (C 22 H 24 N 2 O 8 •HCl) 2 •C 2 H 6 O•H 2 O and the molecular weight is 1025.89. Doxycycline is a light-yellow crystalline powder. Doxycycline hyclate is soluble in water. Doxycycline has a high degree of lipoid solubility and a low affinity for calcium binding. It is highly stable in normal human serum. Doxycycline will not degrade into an epianhydro form. Active Ingredient: Doxycycline hyclate USP equivalent to 100 mg of doxycycline. Inactive Ingredient: Microcrystalline cellulose and magnesium stearate. Tablet coating contains hypromellose, titanium dioxide, polyethylene glycol, FD&C yellow #6, polysorbate 80 and FD&C blue #2. Meet USP Dissolution Test 4. structural-formula

Dutasteride capsules are a synthetic 4-azasteroid compound that is a selective inhibitor of both the type 1 and type 2 isoforms of steroid 5 alpha-reductase, an intracellular enzyme that converts testosterone to DHT. Dutasteride is chemically designated as (5α,17β)-N-{2,5 bis(trifluoromethyl)phenyl}-3-oxo-4-azaandrost-1-ene-17-carboxamide. The empirical formula of dutasteride is C 27 H 30 F 6 N 2 O 2 , representing a molecular weight of 528.5 with the following structural formula: Dutasteride is a white to pale yellow powder with a melting point of 242° to 250°C. It is soluble in ethanol (44 mg/mL), methanol (64 mg/mL), and polyethylene glycol 400 (3 mg/mL), but it is insoluble in water. Each dutasteride capsule, administered orally, contains 0.5 mg of dutasteride dissolved in a mixture of mono-di-glycerides of caprylic/capric acid and butylated hydroxytoluene. The inactive excipients in the capsule shell are gelatin (from certified BSE-free bovine sources), glycerin, titanium dioxide, ferric oxide (yellow), and medium chain triglyceride. The red edible ink contains ammonium hydroxide, isopropyl alcohol, n-butyl alcohol, propylene glycol, red iron oxide, shellac glaze and simethicone. structural-formula

Entecavir is a guanosine nucleoside analogue with selective activity against HBV. The chemical name for entecavir is 2-amino-1,9-dihydro-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one, monohydrate. Its molecular formula is C12H15N5O3H2O, which corresponds to a molecular weight of 295.3. Entecavir has the following structural formula: Entecavir is a white to off-white powder. It is slightly soluble in water (3.158 mg/mL) at 37°C ± 0.5°C. Entecavir tablets, USP are available for oral administration in strengths of 0.5 mg and 1 mg of entecavir. Entecavir tablets 0.5 mg and 1 mg contain the following inactive ingredients: lactose monohydrate, microcrystalline cellulose, crospovidone, and magnesium stearate. The tablet coating contains titanium dioxide, hypromellose, polyethylene glycol, iron oxide black (1 mg tablet only) and iron oxide red (1 mg tablet only). Chemical Structure

Ergocalciferol Capsules, USP is a synthetic calcium regulator for oral administration. Ergocalciferol is a white, colorless crystal, insoluble in water, soluble in organic solvents, and slightly soluble in vegetable oils. It is affected by air and by light. Ergosterol or provitamin D 2 is found in plants and yeast and has no antirachitic activity. There are more than 10 substances belonging to a group of steroid compounds, classified as having vitamin D or antirachitic activity. One USP unit of vitamin D 2 is equivalent to one International Unit (IU), and 1 mcg of vitamin D 2 is equal to 40 IU. Each capsule contains 1.25 mg (50,000 International Units vitamin D) of ergocalciferol, USP, in an edible vegetable oil. Ergocalciferol, also called vitamin D 2 , is 9, 10-secoergosta-5, 7, 10(19), 22-tetraen-3-ol, (3ß, 5Z, 7E, 22E)-; (C 28 H 44 O) with a molecular weight of 396.65, and has the following structural formula: Inactive Ingredients: Butylated hydroxytoluene, D&C Yellow #10, FD&C Blue #1, Gelatin, Glycerin, Propylene Glycol, Shellac, Simethicone, Soybean oil and Titanium Dioxide. chemical-formula.jpg

Estradiol tablets, USP for oral administration contains 0.5, 1 or 2 mg of micronized estradiol, USP per tablet. Estradiol, USP (17β-estradiol) is a white, crystalline solid, chemically described as estra-1,3,5,(10)-triene-3, 17β-diol. The structural formula is: In addition, each tablet for oral administration contains the following inactive ingredients: lactose monohydrate, magnesium stearate, microcrystalline cellulose and sodium starch glycolate. Structure formula.jpg

Ethambutol hydrochloride is an oral chemotherapeutic agent which is specifically effective against actively growing microorganisms of the genus Mycobacterium, including M. tuberculosis. Ethambutol hydrochloride is a white, crystalline powder. The structural formula is: C 10 H 24 N 2 O 2 • 2HCl M.W. 277.23 (+)-2,2’ (Ethylenediimino)-di-1-butanol dihydrochloride Each Ethambutol Hydrochloride Tablet, USP for oral administration, contains 100 mg or 400 mg ethambutol hydrochloride. In addition, each Ethambutol Hydrochloride Tablet, USP contains the following inactive ingredients: colloidal silicon dioxide, corn starch, croscarmellose sodium, docusate sodium, lactose monohydrate, magnesium stearate, polyvinylpyrrolidone, stearic acid, sugar. Film coating and polishing contains: hydroxypropyl methylcellulose, polyethylene glycol, polysorbate 80, and titanium dioxide. structure.jpg

Ethosuximide is an anticonvulsant succinimide, chemically designated as alpha-ethyl-alphamethyl-succinimide, with the following structural formula: Each ethosuximide capsule contains 250 mg ethosuximide, USP. In addition, each capsule contains FD&C Red No. 3, FD&C Yellow No. 6, Gelatin, NF, Glycerin, USP, Polyethylene Glycol 400, NF, Purified Water. The white ink contains N-butyl Alcohol, Propylene Glycol, Shellac Glaze, and Titanium Dioxide. It meets USP Dissolution Test 1. structure-formula.jpg

Ethosuximide is an anticonvulsant succinimide, chemically designated as alpha-ethyl-alphamethyl-succinimide, with the following structural formula: Each ethosuximide capsule contains 250 mg ethosuximide, USP. In addition, each capsule contains FD&C Red No. 3, FD&C Yellow No. 6, Gelatin, NF, Glycerin, USP, Polyethylene Glycol 400, NF, Purified Water. The white ink contains N-butyl Alcohol, Propylene Glycol, Shellac Glaze, and Titanium Dioxide. structure-formula.jpg

Flavoxate hydrochloride tablets contain flavoxate hydrochloride, a synthetic urinary tract spasmolytic. Chemically, flavoxate hydrochloride is 2-piperidinoethyl 3-methyl-4-oxo-2-phenyl-4 H -1-benzopyran-8-carboxylate hydrochloride. The empirical formula of flavoxate hydrochloride is C 24 H 25 NO 4 •HCl. The molecular weight is 427.94. The structural formula appears below. Each tablet for oral administration contains 100 mg flavoxate hydrochloride. In addition, each tablet contains the following inactive ingredients: colloidal silicon dioxide, corn starch, dibasic calcium phosphate dihydrate, magnesium stearate, hypromellose, polydextrose, polyethylene glycol, titanium dioxide and triacetin. Structure Formula

Flecainide Acetate Tablets, USP are an antiarrhythmic drug containing 50 mg, 100 mg or 150 mg of flecainide acetate USP for oral administration. Flecainide acetate USP is benzamide, N-(2-piperidinylmethyl)-2,5-bis(2,2,2-trifluoroethoxy)-monoacetate. The structural formula is given below. Flecainide acetate USP is a white crystalline substance with a pKa of 9.3. It has an aqueous solubility of 48.4 mg/mL at 37°C. Flecainide Acetate Tablets, USP also contain: croscarmellose sodium, magnesium stearate, microcrystalline cellulose, and pregelatinized starch. Flecainide Acetate Tablets, USP meets USP Dissolution Test 2. Structural formula for Flecainide Acetate