The chemical Methimazole has a designated molecular formula of C4H6N2S and a molecular weight of 114.166 g/mol. Synonyms may include: AI3-60285, Basolan, Danantizol, EINECS 200-482-4, Favistan, Frentirox, HSDB 3361, 2H-Imidazole-2-thione, 1,3-dihydro-1-methyl-, Mercaptazole, 2-Mercaptomethylimidazole, 2-Mercapto-1-methylimidazole (ChemID).