SPL Set ID: 4f70f907-08d5-4c2e-a4be-32c6124faa7b
1 drug(s) with this SPL Set ID
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 1,1-Dimethylbiguanide monohydrochloride. The structural formula is as shown below: Metformin hydrochloride, USP is a white to off-white crystalline powder with a molecular formula of C 4 H 11 N 5 • HCl and a molecular weight of 165.62. 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 tablets contain 500 mg, 850 mg, or 1000 mg of metformin hydrochloride. Each tablet contains the inactive ingredients artificial blackberry flavor, magnesium stearate, polyethylene glycol, polyvinyl alcohol, povidone, talc and titanium dioxide. Metformin Hydrochloride Structural Formula