PRODUCT NAME: Pioglitazone EP Impurity B
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	PIG-004
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	136401-69-9
Alternate CAS Number	144809-28-9 (E/Z mixture)
Mol. Formula	C19H18N2O3S
Molecular Wt	354.42
IUPAC	±-5-(4-(2-(5-ethylpyridine-2-yl)ethoxy)benzylidine)-thiozidine-4-dione
Synonyms	Didehydropioglitazone; 5-{4-[2-(5-Ethyl-2-pyridinyl) ethoxy] benzylidene}-2,4-thiazolidinedione; (Z)-5-{4-[2-(5-Ethylpyridin-2-yl)ethoxy]benzylidene}thiazolidine-2,4-dione (USP)
Long Term Storage Condition	2-8°C Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	Off-White Solid
Water content by KF/TGA	Sample COA
% Potency = [100 - (Water content by KF)] X HPLC Purity)] / 100	Sample COA
Identification by HNMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Solubility	ACN:H2O (8:2)
Purity	97% +
Analysis Date (Release Date)	Sample COA
Attachments	Sample COA
Other Information	Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption