CERTIFICATE OF ANALYSIS

PRODUCT NAME: Montelukast Saturated Impurity
Date of Mfg: Sample COA RETEST DATE: Sample COA
Catalogue Number MON-009
Item/Batch Number Sample COA
Quantity Sample COA
CAS Number 142147-67-9
Mol. Formula C₃₅H₃₈ClNO₃S
Molecular Wt 588.20
Synonyms (R)-Montelukast; 1-[[[(1R)-1-[3-[2-(7-Chloro-2-quinolinyl)ethyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic Acid; 1-[[[(1R)-1-[3-[2-(7-Chloro-2-quinolinyl)ethyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]-cyclopropaneacetic Acid; Montelukast Dihydro Impurity;
Long Term Storage Condition Hygroscopic, -20°C Freezer, Under inert atmosphere
Handling instruction Sample COA
Test Results
Appearance Pale Yellow 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 Dichloromethane (Slightly), Methanol (Slightly)
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