CERTIFICATE OF ANALYSIS

PRODUCT NAME: Linagliptin Impurity IV
Date of Mfg: Sample COA RETEST DATE: Sample COA
Catalogue Number LIG-009
Item/Batch Number Sample COA
Quantity Sample COA
CAS Number NA
Mol. Formula C27H30N8O3
Molecular Wt 514.6
Synonyms (R)-N-(1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)acetamide
Long Term Storage Condition Storage 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 ACN:H2O(8:2)
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
This is Sample COA