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

Catalogue Number	ENT-005
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	857629-79-9
Mol. Formula	C16H19N3O5
Molecular Wt	333.34
IUPAC	(E)-2-Cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethylacrylamide
Synonyms	(E)-2-Cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethylacrylamide
Long Term Storage Condition	2-8 °C for long term storage, Store under inert gas
Handling instruction	Sample COA

Test	Results
Appearance	Light 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