| CAS No | 1674-62-0 |
| Synonyms | 1-Methylbiguanide Hydrochloride; N'-Methylbiguanide monohydrochloride ; N-methyl-imidodicarbonimidic Diamide Monohydrochloride ; Metformin Impurity E (Hydrochloride) ; Metformin Related Compound B (USP) |
| Mol.F. | C3H9N5.ClH |
| Mol.Wt. | 151.6 |