PRODUCT NAME: Linagliptin EP Impurity G
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	LIG-032
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	2074688-81-4
Mol. Formula	C33H32N8O5
Molecular Wt	620.7 g/mol
Long Term Storage Condition	2°C to 8°C	Handling instruction	Sample COA
IUPAC	(43R)-37-(but-2-yn-1-yl)-14,33-dimethyl-32,36,6-trioxo-32,33,36,37-tetrahydro-5-aza-1(2)-quinazolina-3(1,8)-purina-4(1,3)-piperidina-7(1)-benzenahepta
Chemical Name	Linagliptin EP Impurity G
Synonyms

Test	Results
Appearance	White To Off-White
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	Soluble In DMSO
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