The molecule is a 1,3-thiazolium cation that is the conjugate acid of thiamine(1+) diphosphate(1). It has a role as a fundamental metabolite and a cofactor. It is a conjugate acid of a thiamine(1+) diphosphate(1-) and a thiamine(1+) diphosphate(3-).
2-[3-[(4-amino-2-methylpyrimidin-5-yl)methyl]-4-methyl-1,3-thiazol-3-ium-5-yl]ethyl phosphono hydrogen phosphate