SPL Set ID: 9171d369-d35a-40e4-a9ad-26484e66fc5e
1 drug(s) with this SPL Set ID
Metformin hydrochloride extended-release 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 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 extended-release tablets, USP contains 500 mg of metformin hydrochloride, which is equivalent to 389.93 mg metformin base. Metformin hydrochloride extended-release tablets USP, 500 mg contain the inactive ingredients carboxymethylcellulose sodium, hypromellose and magnesium stearate. Metformin Hydrochloride Extended-Release Tablets, USP meets USP Dissolution Test 3. Formula