ani pharmaceuticals, inc. - Medication Listings

Nitrofurantoin Oral Suspension, USP contains nitrofurantoin, a synthetic nitrofuran antibacterial agent specific for urinary tract infections. The chemical name is 1-[[(5-nitro-2-furanyl)methylene]amino]-2,4­imidazolidinedione monohydrate. The molecular formula is C8H6N4O5·H2O and the molecular weight is 256.17. The structural formula is: Nitrofurantoin is a stable, yellow, crystalline compound. Nitrofurantoin Oral Suspension, USP is available as a lemon-yellow liquid with cherry flavor, free from extraneous particles for oral administration containing 25 mg/5 mL of nitrofurantoin. Nitrofurantoin Oral Suspension, USP also contains the following inactive ingredients: citric acid, artificial cherry flavor, glycerin, methylparaben, propylparaben, purified water, sodium citrate, sucralose, simethicone emulsion, and xanthan gum. structure

Omeprazole and sodium bicarbonate for oral suspension is a combination of omeprazole, a proton-pump inhibitor, and sodium bicarbonate, an antacid. Omeprazole is a substituted benzimidazole, 5-methoxy-2-[[(4-methoxy-3,5-dimethyl-2­pyridinyl)methyl]sulfinyl]-1 H -benzimidazole, a racemic mixture of two enantiomers that inhibits gastric acid secretion. Its empirical formula is C 17 H 19 N 3 O 3 S, with a molecular weight of 345.42. The structural formula is: Omeprazole is a white to off-white crystalline powder which melts with decomposition at about 155°C. It is a weak base, freely soluble in ethanol and methanol, slightly soluble in acetone and isopropanol and very slightly soluble in water. The stability of omeprazole is a function of pH; it is rapidly degraded in acid media but has acceptable stability under alkaline conditions. Omeprazole and sodium bicarbonate is supplied as unit-dose packets as powder for oral suspension. Packets of powder for oral suspension contain either 40 mg or 20 mg of omeprazole and 1,680 mg of sodium bicarbonate with the following excipients: banana flavor (acacia, maltodextrin, medium chain triglycerides and natural flavor), sucralose, sucrose, xanthan gum, and xylitol. Omeprazole and sodium bicarbonate for oral suspension is an immediate-release formulation that contain sodium bicarbonate which raises the gastric pH and thus protects omeprazole from acid degradation. structure

Opium Tincture, USP (Deodorized), is for oral administration. It is freed from unpleasant odor or nauseating substances by “denarcotization” with a petroleum distillate. Opium tincture is a clear, reddish-brown hydroalcoholic solution. Each 100 mL contains 1 g of anhydrous morphine (represents the equivalent of 10 g of Powdered Opium, USP), alcohol, 19%, and water. Opium has a very characteristic odor and a very bitter taste. The opiates are the most effective and prompt-acting nonspecific antidiarrheal agents.

Oxcarbazepine Tablets USP are an AED available as 150 mg, 300 mg, and 600 mg film-coated tablets for oral administration. 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 Tablets USP contain the following inactive ingredients: colloidal silicon dioxide, crospovidone, hypromellose, iron oxide black, iron oxide red, iron oxide yellow, magnesium stearate, microcrystalline cellulose, polyethylene glycol, talc, and titanium dioxide. Oxcarbazepine Tablets USP meet USP Organic Impurities Test 2. structure

OXISTAT ® (oxiconazole nitrate) Lotion, 1% contains the antifungal active compound oxiconazole nitrate. This formulation is for topical dermatologic use only. Chemically, oxiconazole nitrate is 2',4'-dichloro-2-imidazol-1-ylacetophenone ( Z )-[ 0 -(2,4-dichlorobenzyl)oxime], mononitrate. The compound has the molecular formula C 18 H 13 ON 3 Cl 4 ·HNO 3 , a molecular weight of 492.15, and the following structural formula: Oxiconazole nitrate is a nearly white crystalline powder, soluble in methanol; sparingly soluble in ethanol, chloroform, and acetone; and very slightly soluble in water. OXISTAT Lotion contains 10 mg of oxiconazole per gram of lotion in a white to off-white, opaque lotion base of purified water, white petrolatum, stearyl alcohol, propylene glycol, polysorbate 60, cetyl alcohol, and benzoic acid 0.2% as a preservative. structure

Oxycodone Hydrochloride Capsules are an agonist, available as a hard gelatin capsule 5 mg for oral administration. The chemical name is (5R,9R,13S,14S)-4,5α-epoxy-14-hydroxy-3-methoxy-17-methylmorphinan-6-one hydrochloride. The molecular weight is 351.82. Its molecular formula is C 18 H 21 NO 4 ∙HCl, and it has the following chemical structure. Oxycodone hydrochloride is a white, odorless crystalline powder derived from the opium alkaloid, thebaine. It is soluble in water and slightly soluble in alcohol. The inactive ingredients in Oxycodone Hydrochloride Capsules 5 mg include: colloidal silicon dioxide, gelatin, lactose monohydrate, magnesium stearate, microcrystalline cellulose, pregelatinized starch, sodium starch glycolate, FD&C yellow #6, titanium dioxide, yellow iron oxide, shellac glaze, iron oxide black, propylene glycol, and ammonium hydroxide. structure

Oxycodone Hydrochloride Oral Solution USP is an opioid agonist, available as a solution in a 5 mg/5 mL (1 mg/mL) strength for oral administration. Chemically, oxycodone hydrochloride is 4, 5α-epoxy-14-hydroxy-3-methoxy-17-methylmorphinan-6-one hydrochloride and has the following structural formula: Oxycodone hydrochloride is a white, odorless crystalline powder derived from the opium alkaloid, thebaine. Oxycodone hydrochloride dissolves in water (1 g in 6 to 7 mL) and is considered slightly soluble in alcohol (octanol water partition coefficient is 0.7). Oxycodone Hydrochloride Oral Solution USP, 5 mg per 5 mL contains the equivalent of 4.5 mg of oxycodone free base per 5 mL's and contains the following inactive ingredients: Poloxamer 188 NF, Sodium Benzoate NF, Citric Acid Anhydrous USP, Glycerin USP, Sorbitol Solution 70% USP, FD&C Red #40, Artificial Black Currant Flavor and Water. structure

Paliperidone extended-release tablets contain paliperidone, an atypical antipsychotic belonging to the chemical class of benzisoxazole derivatives. Paliperidone contains a racemic mixture of (+)- and (-)- paliperidone. The chemical name is (±)-3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one. Its molecular formula is C 23 H 27 FN 4 O 3 and its molecular weight is 426.49. The structural formula is: Paliperidone is sparingly soluble in 0.1N HCl and methylene chloride; practically insoluble in water, 0.1N NaOH, and hexane; and slightly soluble in N,N-dimethylformamide. Paliperidone extended-release tablets are intended for oral administration and are available in 1.5 mg (orange-brown), 3 mg (white), 6 mg (beige), and 9 mg (pink) strengths. Paliperidone extended-release tablets utilize coated matrix drug-release technology . Inactive ingredients are butylated hydroxytoluene, carbomer homopolymer, colloidal silicon dioxide, dibutyl sebacate, ethyl cellulose, hypromellose phthalate, magnesium stearate, microcrystalline cellulose, polyethylene oxides, talc, titanium dioxide. The 1.5 mg and 6 mg tablets also contain ferric oxide yellow and ferric oxide red. The 9 mg tablets contain ferric oxide red. Delivery System Components and Performance Paliperidone extended-release tablets uses coated matrix formulation to deliver paliperidone at a controlled rate. The delivery system which resembles the round shape tablet in appearance consists of active in a core surrounded by a semipermeable membrane. The matrix core is composed of the drug, release controlling polymers and excipients. The semipermeable membrane surrounding the core consists of polymers. Each tablet strength has a different colorant and printing markings. In an aqueous environment, such as the gastrointestinal tract, aqueous fluid enters the tablets core through semipermeable membrane that controls the rate at which aqueous medium enters the tablet core, which in turn determine the lag of drug delivery. The hydrophilic polymers of the core hydrates, swells, creating a gel containing paliperidone which in turn determine the rate of drug delivery. structure

Pentoxifylline Extended-Release Tablets USP for oral administration contain 400 mg of the active drug and the following inactive ingredients: hypromellose, povidone, talc, magnesium stearate, maltodextrin, polyethylene glycol, titanium dioxide, triacetin, D&C yellow #10 aluminum lake and FD&C yellow #6 in an extended-release formulation. Pentoxifylline is a tri-substituted xanthine derivative designated chemically as 3,7-Dihydro-3,7-dimethyl-1-(5-oxohexyl)-1 H ‑purine-2,6-dione that, unlike theophylline, is a hemorrheologic agent, i.e. an agent that affects blood viscosity. Pentoxifylline is soluble in water and ethanol, and sparingly soluble in toluene. The chemical structure is: Pentoxifylline Extended-Release Tablets USP comply with USP dissolution test 7. Structure

Pindolol, a synthetic beta-adrenergic receptor blocking agent with intrinsic sympathomimetic activity is 1-(Indol-4-yloxy)-3-(isopropylamino)-2-propanol. Pindolol, USP is a white to off-white, crystalline powder having a faint odor which is practically insoluble in water; slightly soluble in methanol; and very slightly soluble in chloroform. Each tablet for oral administration contains pindolol and the following inactive ingredients: microcrystalline cellulose, pregelatinized starch, colloidal silicon dioxide and magnesium stearate. structure.jpg

Pirfenidone belongs to the chemical class of pyridone. Pirfenidone is available as film-coated tablets containing 267 mg (yellow) and 801 mg (brown) pirfenidone, USP. Pirfenidone, USP has a molecular formula of C 12 H 11 NO and a molecular weight of 185.23. Pirfenidone has the following structural formula, which has been referred to as 5-Methyl-1-Phenyl-1 H -pyridin-2-one or 5-Methyl-1-phenylpyridin-2(1 H )-one. Pirfenidone is a white to pale yellow or pink color solid, non-hygroscopic powder. It is more soluble in methanol, ethyl alcohol, acetone and chloroform than in water and 1.0 N HCl. The melting point is approximately 109°C. Pirfenidone Tablets, USP contain pirfenidone, USP and the following inactive ingredients: Colloidal silicon dioxide, croscarmellose sodium, mannitol, microcrystalline cellulose, povidone, and sodium stearyl fumarate. The film-coating material contains polyethylene glycol, polyvinyl alcohol, talc, and titanium dioxide. Additionally 267 mg tablets contain iron oxide yellow. 801 mg tablets contain black iron oxide and iron oxide red. Pirfenidone Chemical Structure

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

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

Potassium Citrate Extended-Release Tablets USP are a citrate salt of potassium. Its empirical formula is K 3 C 6 H 5 O 7 • H 2 O, and it has the following chemical structure: Potassium Citrate Extended-Release Tablets USP are off-white to yellow, oral wax-matrix tablets, contain 10 mEq (1080 mg) potassium citrate and 15 mEq (1620 mg) potassium citrate each. Inactive ingredients include carnauba wax and magnesium stearate. Potassium Citrate Extended-Release Tablets USP meet USP Dissolution Test 4 . structure

Prazosin hydrochloride, USP a quinazoline derivative, is the first of a new chemical class of antihypertensives. It is the hydrochloride salt of 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-(2-furoyl) piperazine and its structural formula is: Molecular formula C 19 H 21 N 5 O 4 •HCl It is a white to tan powder, slightly soluble in water, practically insoluble in chloroform and acetone and has a molecular weight of 419.87. Each capsule, for oral administration, contains prazosin hydrochloride, USP equivalent (as the polyhydrate) to 1 mg, 2 mg or 5 mg of prazosin. Inert ingredients in the formulations are: colloidal silicon dioxide, lactose monohydrate, lactose anhydrous, magnesium stearate and microcrystalline cellulose. The empty hard gelatin capsules contain black iron oxide, gelatin, red iron oxide, titanium dioxide and yellow iron oxide. In addition, the 1 mg empty gelatin capsules contain D&C Yellow No. 10 and FD&C Green No. 3; the 2 mg empty gelatin capsules contain D&C Red No. 28, D&C Yellow No. 10, FD&C Blue No. 1 and FD&C Red No. 40; and the 5 mg empty gelatin capsules contain FD&C Blue No. 1. The capsules shells are imprinted in edible ink which contains concentrated ammonium solution, potassium hydroxide, propylene glycol, shellac and titanium dioxide. Prazosin Structure

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 is classified as an anti-emetic and antipsychotic agent. Prochlorperazine maleate is white or pale yellow, practically odorless crystalline powder. It is practically insoluble in water and in alcohol, slightly soluble in warm chloroform. Each tablet, for oral administration contains prochlorperazine maleate equivalent to 5 mg or 10 mg of prochlorperazine. In addition, each tablet contains the following inactive ingredients: hypromellose, iron oxide yellow, lactose monohydrate, magnesium stearate, microcrystalline cellulose, partially pregelatinized maize starch, polyethylene glycol and titanium dioxide. FDA approved dissolution test specifications differ from USP. structure

Each 5 mL (teaspoon) of Promethazine Hydrochloride and Dextromethorphan Hydrobromide Oral Solution contains 6.25 mg promethazine hydrochloride USP and 15 mg dextromethorphan hydrobromide USP in a flavored syrup base with a pH between 4.5 and 5.5. The inactive ingredients present are alcohol 7% (v/v), ascorbic acid, citric acid, black currant flavor, D&C Yellow 10, edetate disodium, FD&C Yellow 6, glycerin, L-Menthol, sodium benzoate, sodium citrate, sodium propionate, saccharin sodium, sucrose, and water. 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 chemically designated as 10 H -Phenothiazine-10-ethanamine, N , N , α-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. Dextromethorphan hydrobromide USP is a salt of the methyl ether of the dextrorotatory isomer of levorphanol, a narcotic analgesic. It is chemically designated as 3-methoxy-17-methyl-9α, 13α, 14α–morphinan hydrobromide monohydrate with the following structural formula: Dextromethorphan hydrobromide monohydrate occurs as white crystals, is sparingly soluble in water, and is freely soluble in alcohol. The empirical formula is C 18 H 25 NO•HBr•H 2 O, and the molecular weight of the monohydrate is 370.33. Dextromethorphan hydrobromide monohydrate is dextrorotatory with a specific rotation of +27.6 degrees in water (20 degrees C, sodium D-line). Prometh_structure.jpg Dextro_structure.jpg

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

Propranolol hydrochloride is a synthetic beta-adrenergic receptor-blocking agent chemically described as 2-Propanol, 1-[(1-methylethyl)amino]-3-(1-naphthalenyloxy)-, hydrochloride,(±)-. Its molecular and structural formulae are: C 16 H 21 NO 2 · HCl Propranolol hydrochloride USP is a stable, white, crystalline solid which is readily soluble in water and ethanol. Its molecular weight is 295.80. Propranolol hydrochloride extended-release capsules USP are formulated to provide a sustained release of propranolol hydrochloride USP. Propranolol hydrochloride extended-release capsules USP are available as 60 mg, 80 mg, 120 mg, and 160 mg capsules for oral administration. • Each Propranolol Hydrochloride Extended-Release 60 mg capsule contains 60 mg propranolol hydrochloride USP (equivalent to 52.60 mg of propranolol). • Each Propranolol Hydrochloride Extended-Release 80 mg capsule contains 80 mg propranolol hydrochloride USP (equivalent to 70.14 mg of propranolol). • Each Propranolol Hydrochloride Extended-Release 120 mg capsule contains 120 mg propranolol hydrochloride USP (equivalent to 105.21 mg of propranolol). • Each Propranolol Hydrochloride Extended-Release 160 mg capsule contains 160 mg propranolol hydrochloride USP (equivalent to 140.28 mg of propranolol). The inactive ingredients contained in propranolol hydrochloride extended-release capsules USP are: diethyl phthalate, hypromellose phthalate, ethylcellulose, povidone, polyethylene glycol, corn starch, sucrose, hypromellose, gelatin capsules and titanium dioxide. In addition, propranolol hydrochloride extended-release 60 mg capsules contain D&C Red No. 28 and FD&C Blue No. 1; Propranolol hydrochloride extended-release 80 mg and 120 mg capsules contain FD&C Red No. 3 and FD&C Blue No. 1; Propranolol hydrochloride extended-release 160 mg capsules contain FD&C Blue No. 1. FDA approved dissolution specifications differ from USP. structural formulae

Prucalopride tablets for oral use contain prucalopride succinate, a dihydrobenzofurancarboxamide that is a serotonin type 4 (5-HT 4 ) receptor agonist. The IUPAC name is: 4-amino-5-chloro-N-[1-(3-methoxypropyl)piperidin-4-yl]-2,3-dihydrobenzofuran-7-carboxamide succinate. The molecular formula is C 18 H 26 ClN 3 O 3 .C 4 H 6 O 4 and the molecular weight is 485.96. The structural formula is: Prucalopride succinate is a white to almost white powder. It is highly soluble in acidic aqueous media and alkaline aqueous media up to a pH of approximately 9. Each 1-mg film-coated tablet of prucalopride contains 1 mg of prucalopride (equivalent to 1.32 mg prucalopride succinate), and the following inactive ingredients: colloidal silicon dioxide, anhydrous lactose, magnesium stearate, and microcrystalline cellulose. The coating for the 1-mg tablet contains hypromellose, lactose monohydrate, polyethylene glycol 3000, titanium dioxide, and triacetin. Each 2-mg film-coated tablet of prucalopride contains 2 mg of prucalopride (equivalent to 2.64 mg prucalopride succinate), and the following inactive ingredients: colloidal silicon dioxide, anhydrous lactose, magnesium stearate, and microcrystalline cellulose. The coating for the 2-mg tablet contains hypromellose, lactose monohydrate, polyethylene glycol 3000, titanium dioxide, triacetin, red iron oxide, yellow iron oxide, and FD&C Blue #2. structure

Purified Cortrophin Gel is a porcine derived purified corticotropin (ACTH) in a sterile solution of gelatin. It is made up of a complex mixture of ACTH, ACTH related peptides and other porcine pituitary derived peptides. The drug product is a sterile preparation containing 80 USP units per mL and it contains 0.5% phenol (as preservative), 15.0% gelatin (for prolonged activity), water for injection, and the pH is adjusted with hydrochloric acid and sodium hydroxide. Purified Cortrophin Gel contains the porcine derived ACTH (1-39) with the following amino acid sequence: Structure

Pyridostigmine bromide is an orally active cholinesterase inhibitor. Chemically, pyridostigmine bromide is 3-hydroxy-1-methylpyridinium bromide dimethylcarbamate. Its structural formula is: Each Pyridostigmine Bromide Tablet USP intended for oral administration contains 60 mg of pyridostigmine bromide USP. In addition, each tablet contains the following inactive ingredients: anhydrous lactose, colloidal silicon dioxide and stearic acid. structure

Metoclopramide hydrochloride, the active ingredient of Reglan, is a dopamine-2 receptor antagonist. Metoclopramide hydrochloride (metoclopramide monohydrochloride monohydrate) is a white crystalline, odorless substance, freely soluble in water. Its chemical name is 4-amino-5-chloro-N-[2-(diethylamino)ethyl]-2-methoxy benzamide monohydrochloride monohydrate. The molecular formula is C 14 H 22 ClN 3 O 2 •HCl•H 2 O. Its molecular weight is 354.3. The structural formula is: Reglan tablets are for oral administration. Reglan is available in 5 mg and 10 mg tablets. • Each Reglan 5 mg tablet contains 5 mg metoclopramide (equivalent to 5.91 mg of metoclopramide hydrochloride USP). Inactive ingredients consist of corn starch, D&C Yellow 10 Aluminum Lake, FD&C Blue 1 Aluminum Lake, lactose, microcrystalline cellulose, silicon dioxide, and stearic acid. • Each Reglan 10 mg tablet contains 10 mg metoclopramide (equivalent to 11.82 mg metoclopramide hydrochloride USP). Inactive ingredients consist of magnesium stearate, mannitol, microcrystalline cellulose, and stearic acid. structure

Rifabutin capsules for oral administration contain 150 mg of the rifamycin antimycobacterial agent rifabutin, USP, per capsule along with the inactive ingredients, microcrystalline cellulose, sodium lauryl sulfate, colloidal silicon dioxide, magnesium stearate. The hard gelatin capsule contains titanium dioxide, red iron oxide, gelatin, sodium lauryl sulfate and purified water. The imprinting ink contains shellac, dehydrated alcohol, isopropyl alcohol, butyl alcohol, propylene glycol, strong ammonia solution, black iron oxide, potassium hydroxide and purified water. The chemical name for rifabutin is 1',4-didehydro-1-deoxy-1,4-dihydro-5'-(2-methylpropyl)-1-oxorifamycin XIV (Chemical Abstracts Service, 9th Collective Index) or (9 S ,12 E ,14 S ,15 R , 16 S ,17 R ,18 R ,19 R ,20 S ,21 S ,22 E , 24 Z )-6,16,18,20-tetrahydroxy-1'-isobutyl-14-methoxy- 7,9,15,17,19,21,25-heptamethyl-spiro [9,4-(epoxypentadeca[1,11,13]trienimino)-2 H - furo[2',3':7,8]naphth[1,2-d] imidazole-2,4'-piperidine]-5,10,26-(3 H ,9 H )-trione-16-acetate. Rifabutin has a molecular formula of C46H62N4O11, a molecular weight of 847.02 and the following structure: Rifabutin is a red-violet powder soluble in methanol, slightly soluble in ethanol, and slightly soluble in water (0.21 mg/mL). Its log P value (the base 10 logarithm of the partition coefficient between n-octanol and water) is 3.2 (n-octanol/water). FDA approved dissolution method differs from the current USP monograph dissolution method. structure

Risperidone Oral Solution USP contains risperidone USP, an atypical antipsychotic belonging to the chemical class of benzisoxazole derivatives. The chemical designation is 3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)‑1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one. Its molecular formula is C 23 H 27 FN 4 O 2 and its molecular weight is 410.49. The structural formula is: Risperidone USP is a white to slightly beige powder. It is practically insoluble in water, freely soluble in methylene chloride, and soluble in methanol and 0.1 N HCl. Risperidone Oral Solution USP is available as a 1 mg/mL oral solution. Risperidone Oral Solution USP contains the following inactive ingredients: benzoic acid, purified water, and sorbitol solution (70% w/w). Structure

Sacubitril and valsartan tablets are a combination of a neprilysin inhibitor and an angiotensin II receptor blocker. Sacubitril and valsartan tablets contain a complex comprised of anionic forms of sacubitril and valsartan, and sodium cations in the molar ratio of 1:1:3, respectively. Following oral administration, the complex dissociates into sacubitril (which is further metabolized to LBQ657) and valsartan. The complex is chemically described as Tri sodium [3-((1 S ,3 R )-1-biphenyl-4-ylmethyl-3-ethoxycarbonyl-1-butylcarbamoyl)propionate-( S )-3’-methyl-2’-(pentanoyl{2”-(tetrazol-5-ylate)biphenyl-4’-ylmethyl}amino)butyrate]. Its molecular formula is C 48 H 55 N 6 O 8 ●3Na. Its molecular mass is 912.95 and its schematic structural formula is: Sacubitril and valsartan tablets are available as film-coated tablets for oral administration, containing 24 mg of sacubitril and 26 mg of valsartan; 49 mg of sacubitril and 51 mg of valsartan; and 97 mg of sacubitril and 103 mg of valsartan. The tablet inactive ingredients are crospovidone, low-substituted hydroxypropylcellulose, magnesium stearate, microcrystalline cellulose, and silicon dioxide. The film-coat inactive ingredients are hypromellose, titanium dioxide, polyethylene glycol, talc, and iron oxide red. The film-coat for the 24 mg of sacubitril and 26 mg of valsartan tablet and the 97 mg of sacubitril and 103 mg of valsartan tablet also contains iron oxide black. The film-coat for the 49 mg of sacubitril and 51 mg of valsartan tablet contains iron oxide yellow. structure

Sildenafil, phosphodiesterase-5 (PDE-5) inhibitor, is the citrate salt of sildenafil, a selective inhibitor of cyclic guanosine monophosphate (cGMP)-specific phosphodiesterase type-5 (PDE- 5). Sildenafil is also marketed as VIAGRA® for erectile dysfunction. Sildenafil citrate is designated chemically as 1-[[3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1 H - pyrazolo [4,3- d ] pyrimidin-5-yl)-4-ethoxyphenyl] sulfonyl]-4-methylpiperazine citrate and has the following structural formula: Sildenafil citrate is a white to off-white crystalline powder with a solubility of 3.5 mg/mL in water and a molecular weight of 666.7. Sildenafil for Oral Suspension is supplied as white to off-white powders containing 1.57 g of sildenafil citrate (equivalent to 1.12 g sildenafil) in an amber glass bottle intended for reconstitution. Following reconstitution with 90 mL water, the total volume of the oral suspension is 112 mL and the oral suspension contains 10 mg/mL sildenafil. The inactive ingredients include sorbitol, citric acid anhydrous, sucralose, sodium citrate dihydrate, xanthan gum, titanium dioxide, sodium benzoate, colloidal silicon dioxide anhydrous and grape flavor. In addition to the bottle, a press-in bottle adapter and an oral dosing syringe (with 0.5 mL and 2 mL dose markings) are provided. structure

Sildenafil citrate, an oral therapy for erectile dysfunction, is the citrate salt of sildenafil, a selective inhibitor of cyclic guanosine monophosphate (cGMP)-specific phosphodiesterase type 5 (PDE5). Sildenafil citrate is designated chemically as 1-[[3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1 H -pyrazolo[4,3- d ] pyrimidin-5-yl)-4-ethoxyphenyl] sulfonyl]-4-methylpiperazine citrate and has the following structural formula: Sildenafil citrate is a white to off-white crystalline powder with a solubility of 3.5 mg/mL in water and a molecular weight of 666.7. Sildenafil Tablets, USP are formulated as round shaped, blue colored (mottled), biconvex, uncoated, tablets equivalent to 25 mg, 50 mg and 100 mg of sildenafil for oral administration. In addition to the active ingredient, sildenafil citrate, each tablet contains the following inactive ingredients: lactose monohydrate, microcrystalline cellulose, anhydrous dibasic calcium phosphate, sucralose, peppermint flavor (arabic gum & natural flavors), bubblegum flavor (arabic gum, natural & artificial flavors), colloidal silicon dioxide, croscarmellose sodium, magnesium stearate, FD&C blue no. 1 aluminum lake, povidone. structure

SOVUNA contains hydroxychloroquine sulfate, an antimalarial and antirheumatic drug, chemically described as 2-[[4-[(7-Chloro-4- quinolyl)amino]pentyl]ethylamino] ethanol sulfate (1:1) with the molecular formula C 18 H 26 ClN 3 O•H 2 SO 4 . The molecular weight of hydroxychloroquine sulfate is 433.95. Its structural formula is: Hydroxychloroquine sulfate is a white or off-white crystalline powder, freely soluble in water; practically soluble in alcohol, chloroform, and ether. Each SOVUNA (hydroxychloroquine sulfate) Tablet, 200 mg for oral administration contains 200 mg hydroxychloroquine sulfate, equivalent to 155 mg base. Each SOVUNA (hydroxychloroquine sulfate) Tablet, 300 mg for oral administration contains 300 mg hydroxychloroquine sulfate, equivalent to 232 mg base. Inactive Ingredients: Corn starch, croscarmellose sodium, hypromellose, lactose monohydrate, magnesium stearate, polyethylene glycol, polysorbate 80, sucralose, talc, titanium dioxide, triacetin and water. FDA approved dissolution test and acceptance criterion differ from USP. structure

Sulfamethoxazole and trimethoprim is a synthetic antibacterial combination product available in a suspension for oral administration, 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 a white to off-white crystalline powder 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 cream colored crystalline powder with a molecular weight of 290.3 and the following structural formula: Inactive ingredients: methylparaben 0.1% and sodium benzoate 0.1% (added as preservatives), carboxymethylcellulose sodium, citric acid (anhydrous), glycerin, microcrystalline cellulose, polysorbate 80, purified water, saccharin sodium, sorbitol, FD&C Red No. 40, and artificial cherry flavor (corn maltodextrin, artificial flavor and modified corn starch). sulfamethoxazole trimethoprim

Tadalafil is a selective inhibitor of cyclic guanosine monophosphate (cGMP)-specific phosphodiesterase type 5 (PDE5). Tadalafil has the empirical formula C 22 H 19 N 3 O 4 representing a molecular weight of 389.41. The structural formula is: The chemical designation is pyrazino[1´,2´:1,6]pyrido[3,4-b]indole-1,4-dione,6-(1,3-benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-methyl-, (6R,12aR)-. It is a crystalline solid that is practically insoluble in water and very slightly soluble in ethanol. Tadalafil Tablets, USP are available for oral administration. Each tablet contains 5, 10, or 20 mg of tadalafil, USP and the following inactive ingredients: lactose monohydrate, croscarmellose sodium, FD&C blue #1 aluminum lake, sodium lauryl sulfate, hydroxypropyl cellulose, mannitol, fructose, colloidal silicon dioxide, crospovidone, microcrystalline cellulose, sucralose, bubblegum flavor (arabic gum, natural and artificial flavor) and magnesium stearate. FDA approved dissolution test specifications differ from USP. structure

Terbutaline sulfate USP, the active ingredient of Terbutaline Sulfate Tablets USP, is a beta-adrenergic agonist bronchodilator available as tablets of 2.5 mg (2.05 mg of the free base) and 5 mg (4.1 mg of the free base) for oral administration. Terbutaline sulfate is ±-α-[( tert -butylamino)methyl]-3,5-dihydroxybenzyl alcohol sulfate (2:1) (salt). The empirical formula is (C 12 H 19 NO 3 ) 2 • H 2 SO 4 and the structural formula is: Terbutaline sulfate USP is a white to gray-white crystalline powder. It is odorless or has a faint odor of acetic acid. It is soluble in water and in 0.1N hydrochloric acid, slightly soluble in methanol, and insoluble in chloroform. Its molecular weight is 548.65. Inactive Ingredients: Microcrystalline cellulose, lactose monohydrate, magnesium stearate, povidone, and corn starch. WARNING: TOCOYSIS Oral terbutaline sulfate has not been approved for and should not be used for acute or maintenance tocolysis. In particular, terbutaline sulfate should not be used for maintenance tocolysis in the outpatient or home setting. During pregnancy, serious adverse reactions, including death, have been reported after administration of terbutaline sulfate to pregnant women. In the mother, these adverse reactions include increased heart rate, transient hyperglycemia, hypokalemia, cardiac arrhythmias, pulmonary edema and myocardial ischemia. Increased fetal heart rate and neonatal hypoglycemia may occur as a result of maternal administration. [See Contraindications-Tocolysis ] structure

TEZRULY (terazosin), an alpha-1-selective adrenoceptor antagonist, is a quinazoline derivative represented by the following chemical name and structural formula: 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-(tetrahydro-2-furoyl)piperazine monohydrochloride dihydrate Terazosin hydrochloride is racemic and is a white to pale yellow crystalline substance, sparingly soluble in water. The molecular formula is C 19 H 25 N 5 O 4 . HCl. 2H 2 O and the molecular weight is 459.92. TEZRULY (terazosin) oral solution is supplied in one dosage strength containing 1 mg/mL of terazosin (equivalent to 1.1 mg/mL of terazosin hydrochloride) and the following inactive ingredients: anhydrous citric acid, artificial cherry flavor, glycerin, methylparaben, propylparaben, purified water, sodium citrate dihydrate and sucralose. structure

Thiothixene is a thioxanthene derivative. Specifically, it is the cis isomer of N,N-dimethyl-9-[3-(4- methyl-1-piperazinyl)propylidene]thioxanthene-2-sulfonamide. It may be represented by the following structural formula The thioxanthenes differ from the phenothiazines by the replacement of nitrogen in the central ring with a carbon-linked side chain fixed in space in a rigid structural configuration. An N,N-dimethyl sulfonamide functional group is bonded to the thioxanthene nucleus. Each capsule contains 1 mg, 2 mg, 5 mg or 10 mg of thiothixene, USP and the following inactive ingredients: colloidal silicon dioxide, croscarmellose sodium, lactose monohydrate, magnesium stearate, microcrystalline cellulose, pregelatinized starch and sodium lauryl sulfate. Each of the empty gelatin capsules contains FD&C Blue No. 1, FD&C Red No. 40, FD&C Yellow No. 6, gelatin, sodium lauryl sulfate and titanium dioxide. In addition, the 1 mg empty gelatin capsules contain D&C Red No. 28 and the 2 mg empty gelatin capsules contain D&C Yellow No. 10. The imprinting ink contains the following: ammonia solution, black iron oxide, potassium hydroxide, propylene glycol and shellac. Thio-structure

Thyroid Tablets USP for oral use are a natural preparation derived from porcine thyroid glands. (T3 liothyronine is approximately four times as potent as T4 levothyroxine on a microgram for microgram basis.) They provide 38 mcg levothyroxine (T4) and 9 mcg liothyronine (T3) per grain of thyroid. Thyroid Tablets USP contain the following inactive ingredients: calcium stearate, colloidal silicon dioxide, microcrystalline cellulose, and sodium starch glycolate. In addition, they may contain dextrose or lactose. STRUCTURAL FORMULAS liothyronine (T3) Levothyroxine (T4) T3-structure T4-structure

Tolterodine tartrate extended-release capsules, USP contain tolterodine tartrate USP. The active moiety, tolterodine, is a muscarinic receptor antagonist. The chemical name of tolterodine tartrate is (R)-N,N-diisopropyl-3-(2-hydroxy-5methylphenyl)-3-phenylpropanamine L-hydrogen tartrate. The empirical formula of tolterodine tartrate is C 26 H 37 NO 7 , Its structure is: Tolterodine tartrate is a white, crystalline powder with a molecular weight of 475.6. The pK a value is 9.87 and the solubility in water is 12 mg/mL. It is soluble in methanol, slightly soluble in ethanol, and practically insoluble in toluene. The partition coefficient (Log D) between n-octanol and water is 1.83 at pH 7.3. Tolterodine tartrate extended-release capsules 4 mg for oral administration contains 4 mg of tolterodine tartrate. Inactive ingredients are colloidal silicon dioxide, dibutyl sebacate, ethylcellulose, FD & C Blue no.2, gelatin, hypromellose, hypromellose phthalate, sucrose, talc and titanium dioxide. Tolterodine tartrate extended-release capsules 2 mg for oral administration contains 2 mg of tolterodine tartrate, and the following Inactive ingredients are colloidal silicon dioxide, dibutyl sebacate, ethylcellulose, FD & C Blue no.2, gelatin, hypromellose, hypromellose phthalate, iron oxide yellow, sucrose, talc and titanium dioxide. Both the 2 mg and 4 mg capsule strengths are imprinted with a pharmaceutical grade printing ink that contains ammonium hydroxide, iron oxide black, shellac, potassium hydroxide, propylene glycol and titanium dioxide. Meets USP Dissolution Test 3. tolterodine-01

Tranexamic Acid Tablets USP are an antifibrinolytic drug administered orally. The chemical name is trans-4-aminomethyl‑cyclohexanecarboxylic acid. The structural formula is: Tranexamic acid USP is a white crystalline powder. It is freely soluble in water and in glacial acetic acid and is very slightly soluble in ethanol and practically insoluble in ether. The molecular formula is C 8 H 15 NO 2 and the molecular weight is 157.2. Tranexamic Acid Tablets USP are provided as white to off-white, oval, unscored tablets debossed with “AMG229” on one side with the other side blank. The active ingredient in each tablet is 650 mg tranexamic acid USP. The inactive ingredients contained in each tablet are: hypromellose, microcrystalline cellulose, povidone, colloidal silicon dioxide, stearic acid, and magnesium stearate. Tranexamic Acid Tablets USP meet USP Dissolution Test 3 . Structure

Valproic acid is a carboxylic acid designated as 2-propylpentanoic acid. It is also known as dipropylacetic acid. Valproic acid has the following structure: Valproic acid (pKa 4.8) has a molecular weight of 144 and occurs as a colorless liquid with a characteristic odor. It is slightly soluble in water (1.3 mg/mL) and very soluble in organic solvents. Valproic acid oral solution USP is an antiepileptic for oral administration. Valproic acid oral solution USP contains the equivalent of 250 mg valproic acid per 5 mL as the sodium salt. Inactive Ingredients FD&C Red No. 40, glycerin, methylparaben, propylparaben, sodium hydroxide, sorbitol, sucrose, purified water, sour cherry flavor and alcohol 0.02% (v/v). Structure

Valsartan is a nonpeptide, orally active, and specific angiotensin II receptor blocker acting on the AT1 receptor subtype. Valsartan is chemically described as N-(1-oxopentyl)-N-[[2′-(1H-tetrazol-5-yl) [1,1′-biphenyl]-4-yl]methyl]-L-valine. Its empirical formula is C 24 H 29 N 5 O 3 , its molecular weight is 435.5, and its structural formula is: Valsartan is an off white to white powder. It is soluble in methanol. Valsartan Oral Solution is formulated at a concentration of 4 mg/mL valsartan, USP as a clear colorless, grape flavored solution, free from visible particulate matter for oral administration. The inactive ingredients are: grape flavor, methylparaben, poloxamer 188, potassium sorbate, propylene glycol, purified water, sodium citrate dihydrate, sodium hydroxide and sucralose. structure

VANCOCIN capsules for oral administration contain chromatographically purified vancomycin hydrochloride, a tricyclic glycopeptide antibiotic derived from Amycolatopsis orientalis (formerly Nocardia orientalis ), which has the chemical formula C 66 H 75 Cl 2 N 9 O 24 •HCl. The molecular weight of vancomycin hydrochloride is 1485.73; 500 mg of the base is equivalent to 0.34 mmol. Each capsule contains 125 mg vancomycin (equivalent to 128 mg vancomycin hydrochloride) or 250 mg vancomycin (equivalent to 256 mg vancomycin hydrochloride). The capsules also contain FD&C Blue No. 2, gelatin, iron oxide, polyethylene glycol, titanium dioxide, and other inactive ingredients. Vancomycin hydrochloride has the structural formula: chemical structure

Vancomycin Hydrochloride Capsules USP for oral administration contain chromatographically purified vancomycin hydrochloride, a tricyclic glycopeptide antibiotic derived from Amycolatopsis orientalis (formerly Nocardia orientalis ), which has the chemical formula C 66 H 75 Cl 2 N 9 O 24 •HCl. The molecular weight of vancomycin hydrochloride is 1485.73; 500 mg of the base is equivalent to 0.34 mmol. Each capsule contains 125 mg vancomycin (equivalent to 128 mg vancomycin hydrochloride) or 250 mg vancomycin (equivalent to 256 mg vancomycin hydrochloride). The capsules also contain FD&C Blue No. 2, gelatin, iron oxide, polyethylene glycol, titanium dioxide, and other inactive ingredients. Vancomycin hydrochloride has the structural formula: chemical structure

Vancomycin Hydrochloride for Oral Solution USP contains chromatographically purified vancomycin hydrochloride USP, a tricyclic glycopeptide antibiotic derived from Amycolatopsis orientalis (formerly Nocardia orientalis ), which has the chemical formula C 66 H 75 Cl 2 N 9 O 24 •HCl. The molecular weight of vancomycin hydrochloride is 1,485.73; 500 mg of the base is equivalent to 0.34 mmol. Vancomycin hydrochloride has the following structural formula: Vancomycin Hydrochloride for Oral Solution USP is intended for reconstitution with water. Each 5 mL of reconstituted solution contains vancomycin hydrochloride equivalent to 250 mg (0.17 mmol) vancomycin. Inactive ingredients: citric acid anhydrous, sodium benzoate, sucralose, and mixed berry flavor. Contains no ingredient made from a gluten-containing grain (wheat, barley or rye). structure

Veregen (sinecatechins) Ointment, 15% is a botanical drug product for topical use. The drug substance in Veregen is sinecatechins, which is a partially purified fraction of the water extract of green tea leaves from Camellia sinensis (L.) O Kuntze , and is a mixture of catechins and other green tea components. Catechins constitute 85 to 95% (by weight) of the total drug substance which includes more than 55% of Epigallocatechin gallate (EGCg), other catechin derivatives such as Epicatechin (EC), Epigallocatechin (EGC), Epicatechin gallate (ECg), and some additional minor catechin derivatives i.e. Gallocatechin gallate (GCg), Gallocatechin (GC), Catechin gallate (Cg), and Catechin (C). In addition to the known catechin components, it also contains gallic acid, caffeine, and theobromine which together constitute about 2.5% of the drug substance. The remaining amount of the drug substance contains undefined botanical constituents derived from green tea leaves. The structural formulae of catechins are shown below. General Structure of Catechins Each gram of the ointment contains 150 mg of sinecatechins in a water free ointment base consisting of isopropyl myristate, white petrolatum, cera alba (white wax), propylene glycol palmitostearate, and oleyl alcohol. Structure