PRODUCT NAME: Vildagliptin Impurity E
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	VIL-006
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	1789703-37-2
Mol. Formula	C₁₇H₂₅N₃O₂
Molecular Wt	303.40
IUPAC	2-(3-hydroxy-1-adamantyl)-1-imino-6,7,8,8a-tetrahydro-3H-pyrrolo[1,2-a]pyrazin-4-one
Synonyms	2-((1r,3R,5R,7S)-3-Hydroxyadamantan-1-yl)-1-iminohexahydropyrrolo[1,2-a]pyrazin-4(1H)-one; Vildagliptin Cyclo Imidamide
Long Term Storage Condition	Storage at 2-8°C.
Handling instruction	Sample COA

Test	Results
Appearance	Yellow 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	DMSO (Slightly), Methanol (Slightly)
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