polygen pharmaceuticals inc. - Medication Listings

Amlodipine besylate tablets, USP is the besylate salt of amlodipine, a long-acting calcium channel blocker. Amlodipine besylate, USP 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 ClN 2 O 5 •C 6 H 6 O 3 S, and its structural formula is: Amlodipine besylate, USP 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, USP, each tablet contains the following inactive ingredients: microcrystalline cellulose, dibasic calcium phosphate dihydrate, sodium starch glycolate, and magnesium stearate. amlodipine-structure

Clopidogrel bisulfate is a thienopyridine class inhibitor of P2Y 12 ADP platelet receptors. Chemically it is methyl (+)-( S )-α-(o-chlorophenyl)-6, 7-dihydrothieno[3,2-c]pyridine-5(4 H )-acetate, sulfate (1:1). The empirical formula of clopidogrel bisulfate is C 16 H 16 ClNO 2 S•H 2 SO 4 and its molecular weight is 419.9. The structural formula is as follows: Clopidogrel bisulfate, USP is a white to off-white powder. It is practically insoluble in water at neutral pH but freely soluble at pH 1. It also dissolves freely in methanol, dissolves sparingly in methylene chloride, and is practically insoluble in ethyl ether. It has a specific optical rotation of about +56°. Clopidogrel tablets, USP for oral administration are provided as pink, round, debossed, film-coated tablets containing 97.875 mg of clopidogrel bisulfate, USP which is the molar equivalent of 75 mg of clopidogrel base or pink, modified oval, debossed, film-coated tablets containing 391.5 mg of clopidogrel bisulfate, USP which is the molar equivalent of 300 mg of clopidogrel base. Each tablet contains croscarmellose sodium, mannitol, microcrystalline cellulose, hydroxypropyl cellulose, hydrogenated castor oil, hypromellose, iron oxide red, polyethylene glycol, and titanium dioxide. clopidogrel-structure

Darifenacin is an extended-release tablet for oral administration which contains 7.5 mg or 15 mg darifenacin as its hydrobromide salt. The active moiety, darifenacin, is a potent muscarinic receptor antagonist. Chemically, darifenacin hydrobromide is (S) -2-{1-[2-(2,3-dihydrobenzofuran-5-yl)ethyl]-3-pyrrolidinyl}-2,2-diphenylacetamide hydrobromide. The molecular formula of darifenacin hydrobromide is C 28 H 30 N 2 O 2 •HBr. The structural formula is: Darifenacin hydrobromide is a white to off-white, crystalline powder, with a molecular weight of 507.5. Darifenacin is a once-a-day extended-release tablet and contains the following inactive ingredients: dibasic calcium phosphate anhydrous, hypromellose, magnesium stearate, polyethylene glycol, talc, titanium dioxide. The 15 mg tablet also contains iron oxide red and iron oxide yellow. Image

Memantine hydrochloride tablets, USP are an orally active NMDA receptor antagonist. The chemical name for memantine hydrochloride is 1-amino-3,5-dimethyladamantane hydrochloride with the following structural formula: The molecular formula is C12H21N•HCl and the molecular weight is 215.76. Memantine hydrochloride occurs as a fine white to off-white powder and is soluble in water. Memantine hydrochloride tablets, USP are available for oral administration as capsule-shaped, film-coated tablets containing 5 mg and 10 mg of memantine hydrochloride, USP. The tablets also contain the following inactive ingredients: microcrystalline cellulose, croscarmellose sodium, colloidal silicon dioxide, and magnesium stearate. In addition the following inactive ingredients are also present as components of the film coat: hypromellose, titanium dioxide, macrogol/polyethylene glycol 400, FD&C yellow #6 and FD&C blue #2 (5 mg tablets), and hypromellose, titanium dioxide, macrogol/polyethylene glycol 400 and iron oxide black(10 mg tablets). structure

Phentermine hydrochloride USP is a sympathomimetic amine anorectic. It has the chemical name of α,α-Dimethylphenethylamine hydrochloride. The structural formula is as follows: C 10 H 15 N • HCl M.W. 185.7 Phentermine hydrochloride is a white, odorless, hygroscopic, crystalline powder which is soluble in water and lower alcohols, slightly soluble in chloroform and insoluble in ether. Phentermine hydrochloride tablets, USP, an anorectic agent for oral administration, is available as a tablet containing 37.5 mg of phentermine hydrochloride (equivalent to 30 mg of phentermine base). Phentermine hydrochloride tablets, USP contain the inactive ingredients, Magnesium Stearate, Microcrystalline Cellulose, Pregelatinized Starch (botanical source: maize), Sugar Spheres (consisting of Sucrose, Corn starch, FD&C Blue#1). Phen-Struc