The chemical Pioglitazone has a designated molecular formula of C19H20N2O3S and a molecular weight of 356.440 g/mol. Synonyms may include: Pioglitazona [INN-Spanish], Pioglitazonum [INN-Latin], HSDB 7322, Zactos, U 72107, Pioglitazona, Pioglitazonum, UNII-X4OV71U42S, Piozone, Pioglu (ChemID).