PRODUCT NAME: Alvimopan Impurity 22
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	AVP-025
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	1852472-89-9
Mol. Formula	C13H17NO6S
Molecular Wt	315.3 g/mol
IUPAC	2-[(2S)-2-Benzyl-3-(methanesulfonyloxy) propanamido ] acetic acid
Synonyms	(S)-(2-Benzyl-3-((methylsulfonyl)oxy)propanoyl)glycine; (S)-2-(2-Benzyl-3-((methylsulfonyl)oxy)propanamido)acetic Acid
Long Term Storage Condition	2-8°C Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	white to off-white crystalline or powdery 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
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