PRODUCT NAME: Sitagliptin Dimer impurity
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	SIT-013
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	2379621-81-3
Mol. Formula	C25H26F6N2O5
Molecular Wt	548.5
Synonyms	(R)-3-((R)-3-(Tert-butoxycarbonylamino)-4-(2,4,5-trifluorophenyl)butanamido)-4-(2,4,5-trifluorophenyl)butanoic acid
Long Term Storage Condition	Store at 2-8 °C
Handling instruction	Sample COA

Test	Results
Appearance	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	Methanol
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