PRODUCT NAME: Alvimopan Impurity 21
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	AVP-006
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	660848-81-7
Mol. Formula	C14H17NO3
Molecular Wt	247.3 g/mol
IUPAC	Ethyl (2-benzylacryloyl)glycinate
Synonyms	N-[1-Oxo-2-(phenylmethyl)-2-propenyl]glycine Ethyl Ester; [(2-Methylene-1-oxo-3-phenylpropyl)amino]acetic Acid Ethyl Ester
Long Term Storage Condition	2-8°C Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	pale yellow to yellow viscous liquid
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
Purity	NLT 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