Montelukast Sodium

Name: Montelukast Sodium
Brand: Vaqora Chemicals
SKU: VQ-007592

About Montelukast Sodium

Montelukast Sodium (CAS 151767-02-1) is a high-purity reference standard of Montelukast offered by Vaqora Chemicals. Its molecular formula is C35H35ClNNaO3S and its molecular weight is 608.2 g/mol. Common synonyms include Montair and Montelukast monosodium salt.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Laboratories use this Montelukast standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Montelukast Sodium in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Montelukast

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

Montelukast impurities

Specifications & identifiers

Chemical identifiers
Product name	Montelukast Sodium
Catalogue No.	VQ-007592
CAS Number	151767-02-1
IUPAC name	sodium 2-[1-[[(1R)-1-[3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(2-hydroxypropan-2-yl)phenyl]propyl]sulfanylmethyl]cyclopropyl]acetate
Molecular formula	C₃₅H₃₅ClNNaO₃S
Molecular weight	608.2 g/mol
Exact mass	607.1924
Grade	Reference Standard
HSN code	38229090
InChIKey	LBFBRXGCXUHRJY-HKHDRNBDSA-M
SMILES	CC(C)(C1=CC=CC=C1CC[C@H](C2=CC=CC(=C2)/C=C/C3=NC4=C(C=CC(=C4)Cl)C=C3)SCC5(CC5)CC(=O)[O-])O.[Na+]
PubChem CID	23663996

Physical properties
Physical form	Solid
H-bond donors / acceptors	1 / 5
TPSA	98.6 Å²
Synonyms	Montair, Montelukast monosodium salt, MK-476, Montelukast (as sodium), MK 476, Montelukast sodium salt, Montelukast (sodium), MONTELUKAST Na, Montelukast sodium hydrate, C35H35ClNNaO3S, MK-476, Singulair, Singulair (TN)

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H318Causes serious eye damage
H319Causes serious eye irritation
H361Suspected of damaging fertility or the unborn child

Precautionary statements: P203, P264 + P265, P280, P305 + P351 + P338, P305 + P354 + P338, P317, P318, P337 + P317, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 Sodium?

The CAS Registry Number of Montelukast Sodium is 151767-02-1. It is also known as Montair, Montelukast monosodium salt, MK-476.

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

Montelukast Sodium has the molecular formula C35H35ClNNaO3S and a molecular weight of 608.2 g/mol. Its IUPAC name is sodium 2-[1-[[(1R)-1-[3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(2-hydroxypropan-2-yl)phenyl]propyl]sulfanylmethyl]cyclopropyl]acetate.

What is Montelukast Sodium used for?

Montelukast Sodium 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 Sodium can I order?

We supply Montelukast Sodium 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 Sodium?

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

Yes. Montelukast Sodium is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.