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Pharmacopeial Impurities (EP / USP / BP)

Montelukast EP Impurity B

Reference StandardAvailable on request

Montelukast EP Impurity B (CAS 918972-54-0) supplier Zemixal: C35H34ClNO2S, COA and SDS with every lot, worldwide shipping.

Pack sizes
Montelukast EP Impurity B chemical structure
CAS number918972-54-0
FormulaC35H34ClNO2S
Molar mass568.2 g/mol
Physical formSolid
HS code38229090
InChIKeyLLGQICNFACCGPR-LDXVMNHOSA-N
IUPAC name2-[1-[[(1R)-1-[3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-3-(2-prop-1-en-2-ylphenyl)propyl]sulfanylmethyl]cyclopropyl]acetic acid

About Montelukast EP Impurity B

Analytical teams working on Montelukast use Montelukast EP Impurity B as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 918972-54-0, formula C35H34ClNO2S and molar mass 568.2 g/mol. It is handled as a solid.

Typical applications

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Montelukast

See every impurity, metabolite and related compound we list for this API.

Montelukast standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Montelukast EP Impurity B
Product nameMontelukast EP Impurity B
Catalogue numberZX-022197
CAS number918972-54-0
IUPAC name2-[1-[[(1R)-1-[3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-3-(2-prop-1-en-2-ylphenyl)propyl]sulfanylmethyl]cyclopropyl]acetic acid
Molecular formulaC35H34ClNO2S
Molar mass568.2 g/mol
Exact mass567.1999
GradeReference Standard
Physical formSolid
XLogP39.4
H-bond donors / acceptors1 / 4
Topological polar surface area75.5 Ų
HS code38229090
InChIKeyLLGQICNFACCGPR-LDXVMNHOSA-N
SMILESCC(=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
PubChem CID46782398
SynonymsMontelukast - Impurity B, Montelukast methylstyrene, Montelukast sodium specified impurity B, Montelukast Styrene, Montelukast Impurity B, Montelukast Impurity 3, Montelukast Methylstyrene Impurity

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Montelukast EP Impurity B
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Montelukast EP Impurity B

Which CAS number identifies Montelukast EP Impurity B?
Montelukast EP Impurity B is registered under CAS 918972-54-0. You may also see it listed as Montelukast - Impurity B, Montelukast methylstyrene, Montelukast sodium specified impurity B. Our catalogue number for this item is ZX-022197.
What are the formula and molar mass of Montelukast EP Impurity B?
For Montelukast EP Impurity B, its formula is C35H34ClNO2S and its molar mass is 568.2 g/mol. The systematic (IUPAC) name is 2-[1-[[(1R)-1-[3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-3-(2-prop-1-en-2-ylphenyl)propyl]sulfanylmethyl]cyclopropyl]acetic acid. InChIKey LLGQICNFACCGPR-LDXVMNHOSA-N lets you match it in any structure database.
How is Montelukast EP Impurity B used in pharmaceutical QC?
Montelukast EP Impurity B is a characterised reference material linked to Montelukast. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Montelukast EP Impurity B?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Montelukast EP Impurity B?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Montelukast EP Impurity B to my country?
Yes. Montelukast EP Impurity B ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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