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

Catalogue Number	BZM-004
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	289472-81-7
Mol. Formula	C19H24N4O3
Molecular Wt	356.42
IUPAC	N-((S)-1-(((S)-1-hydroxy-3-methylbutyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide
Synonyms	Bortezomib Related Compound J
Long Term Storage Condition	2-8°C Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	White 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	methanol (MeOH) and dimethyl sulfoxide (DMSO)
Purity	NLT 95 %
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