Montelukast Racemate

About Montelukast Racemate

Montelukast Racemate is an impurity of Montelukast carrying the CAS registry number 220927-26-4. The compound has the formula C35H36ClNO3S, corresponding to a molecular weight of 586.2 g/mol. It is also known as rac-Montelukast acid or rac-Montelukast.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

This Montelukast impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Montelukast Racemate is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Montelukast

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

Montelukast impurities

Specifications & identifiers

Chemical identifiers
Product name	Montelukast Racemate
Catalogue No.	VQ-045168
CAS Number	220927-26-4
IUPAC name	2-[1-[[1-[3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(2-hydroxypropan-2-yl)phenyl]propyl]sulfanylmethyl]cyclopropyl]acetic acid
Molecular formula	C₃₅H₃₆ClNO₃S
Molecular weight	586.2 g/mol
Exact mass	585.2104
Grade	Reference Standard
HSN code	38229090
InChIKey	UCHDWCPVSPXUMX-XNTDXEJSSA-N
SMILES	CC(C)(C1=CC=CC=C1CCC(C2=CC=CC(=C2)/C=C/C3=NC4=C(C=CC(=C4)Cl)C=C3)SCC5(CC5)CC(=O)O)O
PubChem CID	5284590

Physical properties
Physical form	Solid
LogP (XLogP3)	7.7
H-bond donors / acceptors	2 / 5
TPSA	95.7 Å²
Synonyms	rac-Montelukast acid, rac-Montelukast, Montelukast, rac-, Montelukast Acid Racemate, Montelukast, (+/-)-

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 Montelukast Racemate?

The CAS Registry Number of Montelukast Racemate is 220927-26-4. It is also known as rac-Montelukast acid, rac-Montelukast, Montelukast, rac-.

What is the molecular formula and molecular weight of Montelukast Racemate?

Montelukast Racemate has the molecular formula C35H36ClNO3S and a molecular weight of 586.2 g/mol. Its IUPAC name is 2-[1-[[1-[3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(2-hydroxypropan-2-yl)phenyl]propyl]sulfanylmethyl]cyclopropyl]acetic acid.

What is Montelukast Racemate used for?

Montelukast Racemate 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 Montelukast Racemate can I order?

We supply Montelukast Racemate 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 Montelukast Racemate?

Yes. Every lot of Montelukast Racemate 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 Montelukast Racemate be shipped internationally?

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