SPL Set ID: cc070735-5e8d-4bb3-9caa-e84d29bb8943
1 drug(s) with this SPL Set ID
Metformin hydrochloride extended-release tablets, USP contains the biguanide antihyperglycemic agent metformin in the form of monohydrochloride salt. The chemical name of metformin hydrochloride is N,N-dimethylimidodicarbonimidic diamide hydrochloride. The structural formula is as shown: Metformin hydrochloride USP is a white crystalline powder with a molecular formula of C 4 H 11 N 5 •HCl and a molecular weight of 165.63. Metformin hydrochloride, USP 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 are modified release dosage forms that contain 500 mg or 1000 mg of metformin HCl. Each 500 mg tablet containsAmmonio Methacrylate Copolymer Type A, Coloring (Hypromellose, FD&C Blue#2/Indigo Carmine, Titanium Dioxide, Triethyl Citrate), Glyceryl dibehenate, Hydroxypropyl cellulose, Hypromellose, Magnesium Stearate, Methacralic Acid and Methyl Methacrylate Coplymer (1:1), Microcrystalline cellulose, Povidone, Talc, Triethyl citrate. Each 1000 mg tablet contains Ammonio Methacrylate Copolymer Type A, Glyceryl behenate, Hydroxypropyl cellulose, Hypromellose, Magnesium Stearate ,Methacralic Acid and Methyl Methacrylate Coplymer (1:1), Microcrystalline cellulose, Povidone, Talc, Triethyl citrate. FDA approved dissolution test specifications differ from USP. strc