cis-Montelukast Sulfoxide

Name: cis-Montelukast Sulfoxide
Brand: Vaqora Chemicals
SKU: VQ-038497

About cis-Montelukast Sulfoxide

Listed under CAS 1428511-42-5, cis-Montelukast Sulfoxide is a metabolite or degradation product of Montelukast available from Vaqora Chemicals. With the molecular formula C35H36ClNO4S, it has a molar mass of 602.2 g/mol. It is also known as cis-Montelukast or (Z)-Montelukast Sulfoxide.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

It is used in metabolite identification, stability-indicating method development and impurity profiling of Montelukast, as well as in QC testing and ANDA/DMF documentation. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies cis-Montelukast Sulfoxide in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Montelukast

View every impurity, metabolite and intermediate we list for Montelukast.

Montelukast impurities

Specifications & identifiers

Chemical identifiers
Product name	cis-Montelukast Sulfoxide
Catalogue No.	VQ-038497
CAS Number	1428511-42-5
IUPAC name	2-[1-[[(1R)-1-[3-[(Z)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(2-hydroxypropan-2-yl)phenyl]propyl]sulfinylmethyl]cyclopropyl]acetic acid
Molecular formula	C₃₅H₃₆ClNO₄S
Molecular weight	602.2 g/mol
Exact mass	601.2054
Grade	Reference Standard
HSN code	38229090
InChIKey	QFTNWCBEAVHLQA-OZQBCQAUSA-N
SMILES	CC(C)(C1=CC=CC=C1CC[C@H](C2=CC=CC(=C2)/C=C\C3=NC4=C(C=CC(=C4)Cl)C=C3)S(=O)CC5(CC5)CC(=O)O)O
PubChem CID	58140271

Physical properties
Physical form	Solid
LogP (XLogP3)	6.3
H-bond donors / acceptors	2 / 6
TPSA	107 Å²

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of cis-Montelukast Sulfoxide?

The CAS Registry Number of cis-Montelukast Sulfoxide is 1428511-42-5. It is also known as cis-Montelukast, (Z)-Montelukast Sulfoxide.

What is the molecular formula and molecular weight of cis-Montelukast Sulfoxide?

cis-Montelukast Sulfoxide has the molecular formula C35H36ClNO4S and a molecular weight of 602.2 g/mol. Its IUPAC name is 2-[1-[[(1R)-1-[3-[(Z)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(2-hydroxypropan-2-yl)phenyl]propyl]sulfinylmethyl]cyclopropyl]acetic acid.

What is cis-Montelukast Sulfoxide used for?

cis-Montelukast Sulfoxide is supplied as a characterised reference material related to Montelukast. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of cis-Montelukast Sulfoxide can I order?

We supply cis-Montelukast Sulfoxide in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with cis-Montelukast Sulfoxide?

Yes. Every lot of cis-Montelukast Sulfoxide is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can cis-Montelukast Sulfoxide be shipped internationally?

Yes. We export cis-Montelukast Sulfoxide worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.