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

Catalogue Number	VIL-014
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	1036959-23-5
Mol. Formula	C₂₄H₃₃N₅O₃
Molecular Wt	439.55
IUPAC	(2S)-1-[2-[[2-[(2S)-2-cyanopyrrolidin-1-yl]-2-oxoethyl]-(3-hydroxy-1-adamantyl)amino]acetyl]pyrrolidine-2-carbonitrile
Synonyms	(2S,2'S)-1,1'-[[(3-Hydroxytricyclo[3.3.1.13,7]dec-1-yl)imino]bis(1-oxo-2,1-ethanediyl)]bis-2-pyrrolidinecarbonitrile; Vildagliptin Impurity B
Long Term Storage Condition	Store at Refrigerator (+10°C)
Handling instruction	Sample COA

Test	Results
Appearance	Off 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	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