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Pharmacopeial Impurities (EP / USP / BP)

Ethinylestradiol EP Impurity M

Reference StandardAvailable on request

Order Ethinylestradiol EP Impurity M (CAS 3240-39-9) online at Zemixal: C21H26O2, COA and SDS with every lot, worldwide shipping.

Pack sizes
Ethinylestradiol EP Impurity M chemical structure
CAS number3240-39-9
FormulaC21H26O2
Molar mass310.4 g/mol
Physical formSolid
HS code38229090
InChIKeyQFPDNXSOEMFRPX-OKSLILNBSA-N
IUPAC name(8R,9S,13S,14S,17R)-17-ethynyl-2,13-dimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol

About Ethinylestradiol EP Impurity M

Ethinylestradiol EP Impurity M is supplied by Zemixal as a characterised reference material for Ethinylestradiol analysis. Identity at a glance (Reference Standard): CAS 3240-39-9, formula C21H26O2 and molar mass 310.4 g/mol. It is handled as a solid.

Where it is used

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

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Ethinylestradiol

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

Ethinylestradiol 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 Ethinylestradiol EP Impurity M
Product nameEthinylestradiol EP Impurity M
Catalogue numberZX-021608
CAS number3240-39-9
IUPAC name(8R,9S,13S,14S,17R)-17-ethynyl-2,13-dimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol
Molecular formulaC21H26O2
Molar mass310.4 g/mol
Exact mass310.1933
GradeReference Standard
Physical formSolid
XLogP34
H-bond donors / acceptors2 / 2
Topological polar surface area40.5 Ų
HS code38229090
InChIKeyQFPDNXSOEMFRPX-OKSLILNBSA-N
SMILESCC1=CC2=C(CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CC[C@]4(C#C)O)C)C=C1O
PubChem CID13991395
SynonymsEthinylestradiol - Impurity M, 2-Methyl-ethinylestradiol, 2-Methyl Ethynyl Estradiol, 2-Methyl-ethinyl estradiol, Ethinyl Estradiol Impurity M, 17-alpha-Ethinyl-2-methyl-8-alpha-estradiol, 17-alpha-Ethinyl-2-methyl-8-alpha-E(sub 2), 17-alpha-Ethinyl-2-methyl-8-alpha-estra-1,3,5(10)-triene-3,17-beta-diol, 19-Nor-8-alpha,17-alpha-pregna-1,3,5(10)-trien-20-yne-3,17-diol, 2-methyl-, 2-Methyl-19-nor-8-alpha,17-alpha-pregna-1,3,5(10)-trien-20-yne-3,17-diol, 2-Methyl Ethinyl Estradiol

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 Ethinylestradiol EP Impurity M
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 Ethinylestradiol EP Impurity M

Which CAS number identifies Ethinylestradiol EP Impurity M?
Ethinylestradiol EP Impurity M is registered under CAS 3240-39-9. You may also see it listed as Ethinylestradiol - Impurity M, 2-Methyl-ethinylestradiol, 2-Methyl Ethynyl Estradiol. Our catalogue number for this item is ZX-021608.
What are the formula and molar mass of Ethinylestradiol EP Impurity M?
For Ethinylestradiol EP Impurity M, its formula is C21H26O2 and its molar mass is 310.4 g/mol. The systematic (IUPAC) name is (8R,9S,13S,14S,17R)-17-ethynyl-2,13-dimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol. InChIKey QFPDNXSOEMFRPX-OKSLILNBSA-N lets you match it in any structure database.
How is Ethinylestradiol EP Impurity M used in pharmaceutical QC?
Ethinylestradiol EP Impurity M is a characterised reference material linked to Ethinylestradiol. 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 Ethinylestradiol EP Impurity M?
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 Ethinylestradiol EP Impurity M?
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 Ethinylestradiol EP Impurity M to my country?
Yes. Ethinylestradiol EP Impurity M ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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