product Name Carbimazole Synonyms Ethyl 3-methyl-2-thionoimidazoline-1-carboxylate; Ethyl 3-methyl-2-thioxo-4-imidazoline-1-carboxylate; Neo-Mercazole; ethyl 3-methyl-2-thioxo-2,3-dihydro-1H-imidazole-1-carboxylate Molecular Formula C7H10N2O2S Molecular Weight 186.2315 InChI InChI=1/C7H10N2O2S/c1-3-11-7(10)9-5-4-8(2)6(9)12/h4-5H,3H2,1-2H3 CAS Registry Number 22232-54-8 EINECS 244-854-4 Molecular Structure 22232-54-8 Carbimazole Density 1.31g/cm3 Melting point 32 Boiling point 240.4°C at 760 mmHg Refractive index 1.611 Flash point 99.2°C Vapour Pressur 0.038mmHg at 25°C