PRODUCT NAME: Auristatin Impurity 5
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	AUS-005
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	159857-81-5
Mol. Formula	C35H43N7O11
Molecular Wt	737.8 g/mol
IUPAC	4-((S)-2-((S)-2-(6-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)hexanamido)-3-methylbutanamido)-5-ureidopentanamido)benzyl (4-nitrophenyl) carbonate
Synonyms	L-Ornithinamide derivative; N-(6-(2,5-Dihydro-2,5-dioxo-1H-pyrrol-1-yl)-1-oxohexyl)-L-valyl-N5-(aminocarbonyl)-N-(4-((((4-nitrophenoxy)carbonyl)oxy)methyl)phenyl)-L-ornithinamide
Long Term Storage Condition	2°C to 8°C
Handling instruction	Sample COA

Test	Results
Appearance	White to Orange to Green powder to Crystalline
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	No Data Available
Purity	NLT 97%
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