PRODUCT NAME: Daclatasvir Nitroso Impurity 2
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	NIO-614
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	NA
Mol. Formula	C40H49N9O7
Molecular Wt	767.9
Long Term Storage Condition	Keep container tightly closed in a dry and well-ventilated place	Handling instruction	Sample COA
Chemical Name	Daclatasvir Nitroso Impurity 2
Synonyms	Methyl ((S)-1-((S)-2-(5-(4'-(2-((S)-1-((methoxycarbonyl)-L-valyl)pyrrolidin-2-yl)-1-nitroso-1H-imidazol-5-yl)-[1,1'-biphenyl]-4-yl)-1H-imidazol-2-yl)pyrrolidin-1-yl)-3-methyl-1-oxobutan-2-yl)carbamate

Test	Results
Appearance
Identification by 1H NMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Purity	NLT 98%
Wt. Loss by TGA	Sample COA
% Potency	Sample COA
Solubility
QC Release Date	Sample COA
Attachments	Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption