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Pharmacopeial Impurities (EP / USP / BP)

Montelukast EP Impurity A

Reference StandardIn stock

Buy Montelukast EP Impurity A (CAS 220927-27-5) from Zemixal: C35H36ClNO3S, COA and SDS with every lot, worldwide shipping.

Pack sizes
Montelukast EP Impurity A chemical structure
CAS number220927-27-5
FormulaC35H36ClNO3S
Molar mass586.2 g/mol
Physical formSolid
HS code38229090
InChIKeyUCHDWCPVSPXUMX-OYLFJNDKSA-N
IUPAC name2-[1-[[(1S)-1-[3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(2-hydroxypropan-2-yl)phenyl]propyl]sulfanylmethyl]cyclopropyl]acetic acid

About Montelukast EP Impurity A

Montelukast EP Impurity A belongs to the Montelukast reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 220927-27-5, formula C35H36ClNO3S and molar mass 586.2 g/mol. It is handled as a solid.

Use cases we see most often

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

Available as 5 mg. Larger or split packs can be arranged. Each lot travels with a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

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 A
Product nameMontelukast EP Impurity A
Catalogue numberZX-005825
CAS number220927-27-5
Other CAS numbers190078-45-6
IUPAC name2-[1-[[(1S)-1-[3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(2-hydroxypropan-2-yl)phenyl]propyl]sulfanylmethyl]cyclopropyl]acetic acid
Molecular formulaC35H36ClNO3S
Molar mass586.2 g/mol
Exact mass585.2104
GradeReference Standard
Physical formSolid
XLogP37.7
H-bond donors / acceptors2 / 5
Topological polar surface area95.7 Ų
HS code38229090
InChIKeyUCHDWCPVSPXUMX-OYLFJNDKSA-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)O
PubChem CID6540473
Synonyms(S)-Montelukast, Montelukast S-Isomer, Montelukast, (S)-, Montelukast sodium specified impurity A, Ent-Montelukast

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 A
5 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 A

Which CAS number identifies Montelukast EP Impurity A?
Montelukast EP Impurity A is registered under CAS 220927-27-5. You may also see it listed as (S)-Montelukast, Montelukast S-Isomer, Montelukast, (S)-. Our catalogue number for this item is ZX-005825.
What are the formula and molar mass of Montelukast EP Impurity A?
For Montelukast EP Impurity A, its formula is C35H36ClNO3S and its molar mass is 586.2 g/mol. The systematic (IUPAC) name is 2-[1-[[(1S)-1-[3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(2-hydroxypropan-2-yl)phenyl]propyl]sulfanylmethyl]cyclopropyl]acetic acid. InChIKey UCHDWCPVSPXUMX-OYLFJNDKSA-N lets you match it in any structure database.
How is Montelukast EP Impurity A used in pharmaceutical QC?
Montelukast EP Impurity A 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 A?
This listing is Reference Standard grade. Standard packs are 5 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Montelukast EP Impurity A?
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 A to my country?
Yes. Montelukast EP Impurity A ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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