Montelukast Lactone

Name: Montelukast Lactone
Brand: Vaqora Chemicals
SKU: VQ-038483

About Montelukast Lactone

Montelukast Lactone (CAS 1100617-38-6) is an impurity of Montelukast offered by Vaqora Chemicals. With the molecular formula C27H20ClNO2, it has a molar mass of 425.9 g/mol. Its systematic (IUPAC) name is (3S)-3-[3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-4,5-dihydro-3H-2-benzoxepin-1-one.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Pharmaceutical QC and development laboratories use this impurity standard of Montelukast to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Montelukast Lactone in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports 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 Lactone
Catalogue No.	VQ-038483
CAS Number	1100617-38-6
IUPAC name	(3S)-3-[3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-4,5-dihydro-3H-2-benzoxepin-1-one
Molecular formula	C₂₇H₂₀ClNO₂
Molecular weight	425.9 g/mol
Exact mass	425.1183
Grade	Reference Standard
HSN code	38229090
InChIKey	QARHRYVEXSEWAF-FQKQOIFNSA-N
SMILES	C1CC2=CC=CC=C2C(=O)O[C@@H]1C3=CC=CC(=C3)/C=C/C4=NC5=C(C=CC(=C5)Cl)C=C4
PubChem CID	25160787

Physical properties
Physical form	Solid
LogP (XLogP3)	6.9
H-bond donors / acceptors	0 / 3
TPSA	39.2 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 Montelukast Lactone?

The CAS Registry Number of Montelukast Lactone is 1100617-38-6. It is also known as (S,E)-3-(3-(2-(7-Chloroquinolin-2-yl)vinyl)phenyl)-4,5-dihydrobenzo[c]oxepin-1(3H)-one, (3S)-3-[3-[(E)-2-(7-chloro-2-quinolyl)vinyl]phenyl]-4,5-dihydro-3H-2-benzoxepin-1-one.

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

Montelukast Lactone has the molecular formula C27H20ClNO2 and a molecular weight of 425.9 g/mol. Its IUPAC name is (3S)-3-[3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-4,5-dihydro-3H-2-benzoxepin-1-one.

What is Montelukast Lactone used for?

Montelukast Lactone 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 Lactone can I order?

We supply Montelukast Lactone 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 Lactone?

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

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