SPL Set ID: 3eeee3b7-188a-05a0-e063-6294a90a1853
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 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 pK a of metformin is 12.4. The pH of a 1% aqueous solution of metformin hydrochloride is 6.68. Metformin hydrochloride tablets, USP contain 500 mg, 850 mg, or 1,000 mg of metformin hydrochloride, which is equivalent to 389.93 mg, 662.88 mg, 779.86 mg metformin base, respectively. Each tablet contains the inactive ingredients colloidal silicon dioxide, croscarmellose sodium, magnesium stearate and povidone. In addition, the tablet coating material of 500 mg, 850 mg and 1,000 mg tablets contains hypromellose, polyethylene glycol, titanium dioxide and artificial blackberry flavor.