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

Catalogue Number	BZM-005
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	73058-37-4
Mol. Formula	C15H15N3O3
Molecular Wt	285.31
IUPAC	(2S)-3-Phenyl-2-[(pyrazin-2-ylcarbonyl)amino]propanoic acid methyl ester
Synonyms	Bortezomib Acid Methyl Ester;N-Pyrazinylcarbonyl-L-phenylalanine methyl ester; N-(2-Pyrazinylcarbonyl)-L-phenylalanine methyl ester; 3-Phenyl-2-[(pyrazine-2-carbonyl)amino]propionic acid methyl ester
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
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