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

Catalogue Number	BZM-003
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	NA
Mol. Formula	C19H22N4O4
Molecular Wt	370.41
IUPAC	(S)-N-(1-(3-methylbutanamido)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide
Synonyms	Bortezomib Impurity 5
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	3.3 to 3.8 mg/mL in water within a pH range of 2 to 6.5
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