Category
Pioglitazone
CAS Number
136401-69-9;
Alternate CAS Number
144809-28-9 (E/Z mixture)
Molecular Formula
C19H18N2O3S
Molecular Weight
354.42
Synonym

(5Z)-5-[[4-[2-(5-ethyl-2-pyridinyl)ethoxy]phenyl]methylidene]-1,3-thiazolidine-2,4-dione; (Z)-5-(4-(2-(5-Ethylpyridin-2-yl)ethoxy)benzylidene)thiazolidine-2,4-dione; Pioglitazone Benzylidene Impurity; Didehydro Pioglitazone Impurity; Didehydropioglitazone, (Z)-5-{4-[2-(5-Ethylpyridin-2-yl)ethoxy]benzylidene}thiazolidine-2,4-dione (USP)

Keywords
Fine Chemicals
Aromatic
Pharmaceutical Standards
Heterocycles
Intermediates
Slide 1.GIF

Pioglitazone Impurity-B is a certified reference standard used in the quality control and impurity profiling of Pioglitazone. It supports analytical method validation, stability studies, and regulatory compliance in pharmaceutical development.