The chemical Formamide has a designated molecular formula of CH3NO and a molecular weight of 45.041 g/mol. Synonyms may include: AI3-15357, Amid kyseliny mravenci [Czech], Carbamaldehyde, CCRIS 6240, EINECS 200-842-0, Formic acid, amide, Formimidic acid, HSDB 88, Methanamide, Methanoic acid, amide (ChemID).