CERTIFICATE OF ANALYSIS

PRODUCT NAME: Montelukast Methylstyrene impurity
Date of Mfg: Sample COA RETEST DATE: Sample COA
Catalogue Number MON-006
Lot Number Sample COA
Batch Quantity Sample COA
CAS Number 918972-54-0
Mol. Formula C₃₅H₃₄ClNO₂S
Molecular Wt 568.17
Long Term Storage Condition Amber Vial, -20°C Freezer, Under Inert Atmosphere Handling instruction Sample COA
Chemical Name Montelukast Methylstyrene impurity
Synonyms 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-methylethenyl)phenyl]propyl]thio]methyl]cyclopropaneacetic Acid; Montelukast Impurity; Montelukast EP Impurity B; Montelukast USP Related Compound F; Montelukast Methylstyrene; Styrene Montelukast
Test Results
Appearance Pale Green to Light 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)
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
This is Sample COA