Thiamine (Vitamin B1) Hydrochloride Thiamine (Vitamin B1) Hydrochloride CAS NO. 67-03-8 EC NO. 200-641-8 Synonym Thiamine HCl, Vitamin B1 HCl Formula C12H17N4OS.ClH.Cl Mol. Weight 337.27 g/mol Send enquiry Beckmann-Kenko2023-08-25T10:35:45+02:00