PRODUCT NAME: Bortezomib Impurity A
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	BZM-001
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	289472-80-6
Mol. Formula	C14H14N4O2
Molecular Wt	270.29
IUPAC	N-[(1S)-2-amino-2-oxo-1-(phenylmethyl)ethyl]pyrazinecarboxamide
Synonyms	(S)-N-(1-Amino-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide
Long Term Storage Condition	2-8°C Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	Solid White
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, Methanol
Purity	NLT 98.0% by (GC)
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