SPL Set ID: 9eebed09-2562-4d21-b3b3-c06562fe3f99
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, USP is a white crystals or 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, slightly soluble in alcohol, practically insoluble in acetone, and in methylene chloride. The pKa of metformin hydrochloride is 2.8 and 11.5. The pH of a 5% aqueous solution of metformin hydrochloride is between 6 and 7. Metformin hydrochloride extended-release tablets, USP contain 500 mg or 750 mg of metformin hydrochloride, which is equivalent to 389.93 mg, 584.90 mg metformin base, respectively. Metformin hydrochloride extended-release tablets, USP 500 mg and 750 mg contain the inactive ingredients carboxymethylcellulose sodium, hypromellose and magnesium stearate. Meets USP Dissolution Test 22. Image