PRODUCT NAME: Entacapone EP Impurity I
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	ENT-003
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	1364322-42-8
Mol. Formula	C13H12N2O6
Molecular Wt	292.24
Synonyms	propyl (E)-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)acrylate
Long Term Storage Condition	2-8°C Refrigerator & Protect from Sun Light
Handling instruction	Sample COA

Test	Results
Appearance	Yellow 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	Chloroform (Slightly), Methanol (Slightly)
Purity	98%+
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