PRODUCT NAME: (S)-Linagliptin
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	LIG-008
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	668270-11-9
Mol. Formula	C₂₅H₂₈N₈O₂
Molecular Wt	472.54
Long Term Storage Condition	Refrigerator	Handling instruction	Sample COA
IUPAC	8-[(3S)-3-aminopiperidin-1-yl]-7-but-2-ynyl-3-methyl-1-[(4-methylquinazolin-2-yl)methyl]purine-2,6-dione
Chemical Name	(S)-Linagliptin
Synonyms	8-[(3S)-3-Amino-1-piperidinyl]-7-(2-butyn-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-1H-purine-2,6-dione

Test	Results
Appearance	Light Yellow to Dark Yellow Solid
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	Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)
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