The molecule is trianion of thiamine(1+) diphosphate arising from deprotonation of the four OH groups of the triphosphate. It has a role as a human metabolite and a Saccharomyces cerevisiae metabolite. It is a conjugate base of a thiamine(1+) triphosphate.
[[2-[3-[(4-amino-2-methylpyrimidin-5-yl)methyl]-4-methyl-1,3-thiazol-3-ium-5-yl]ethoxy-oxidophosphoryl]oxy-oxidophosphoryl] phosphate