PRODUCT NAME: Montelukast Sulfoxide Impurity
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	MON-019
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	909849-96-3
Mol. Formula	C₃₅H₃₆ClNO₄S
Molecular Wt	602.2
Long Term Storage Condition	2-8°C	Handling instruction	Sample COA
IUPAC	2-[1-[[1-[3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(2-hydroxypropan-2-yl)phenyl]propyl]sulfinylmethyl]cyclopropyl]acetic acid
Chemical Name	Montelukast Sulfoxide Impurity
Synonyms	1-[[[1-[3-[2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]sulfinyl]methyl]cyclopropaneacetic Acid; Montelukast M2; Montelukast EP Impurity C; Montelukast USP Related Compound C

Test	Results
Appearance	Pale Yellow to off white Solid
Identification by 1H NMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Purity	NLT 97 % by HPLC
Wt. Loss by TGA	Sample COA
% Potency	Sample COA
Solubility	DMSO (Slightly), Methanol (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