Not Less Than - 95%
N-methyl-imidodicarbonimidic Diamide Monohydrochloride; N'-Methylbiguanide Monohydrochloride; Imidodicarbonimidic diamide, N-methyl-, Hydrochloride (1:1); Biguanide, 1-methyl-, Hydrochloride; Imidodicarbonimidic diamide, N-methyl-, Monohydrochloride; 1-Methylbiguanide Hydrochloride; Metformin Related Compound B (USP);