PRODUCT NAME: Linagliptin Impurity 48
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	LIG-028
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	309956-78-3
Alternate CAS Number	1217656-59-1 (HCl salt) ; 2488640-89-5 (2HCl salt)
Mol. Formula	C10H20N2O2
Molecular Wt	200.3 g/mol
Long Term Storage Condition	2°C to 8°C	Handling instruction	Sample COA
IUPAC	tert-butyl (R)-piperidin-3-ylcarbamate
Chemical Name	Linagliptin Impurity 48
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 , DMF
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