PRODUCT NAME: Vildagliptin N-Nitroso-L-Proline Methyl Ester
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	VIL-009
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	35909-01-4
Mol. Formula	C6H10N2O3
Molecular Wt	158.16
IUPAC	methyl (2S)-1-nitrosopyrrolidine-2-carboxylate
Synonyms	Methyl 1-nitrosoprolinate; Methyl (S)-1-nitroso-2-pyrrolidinecarboxylate
Long Term Storage Condition	Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance
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 98%
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