PRODUCT NAME: Montelukast Sodium EP Impurity A
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	MON-011
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	190078-45-6
Alternate CAS Number	Free Acid: 220927-27-5
Mol. Formula	C₃₅H₃₅ClNNaO₃S
Molecular Wt	608.17
Synonyms	1-[[[(1S)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic Acid Sodium Salt; L 768232; Montelukast EP Impurity A
Long Term Storage Condition	Refrigerator, Under Inert Atmosphere
Handling instruction	Sample COA

Test	Results
Appearance	Pale Yellow to Light 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	Chloroform (Slightly), Methanol (Slightly), Water (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