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API Impurities

17beta-Dihydro-17alpha-ethynyl-equillenin

Reference StandardAvailable on request

Buy 17beta-Dihydro-17alpha-ethynyl-equillenin (CAS 1357266-17-1) from Zemixal: C20H20O2, COA and SDS with every lot, worldwide shipping.

Pack sizes
17beta-Dihydro-17alpha-ethynyl-equillenin chemical structure
CAS number1357266-17-1
FormulaC20H20O2
Molar mass292.4 g/mol
Physical formSolid
HS code38229090
InChIKeyWADRLWZAEUTLMS-UFYCRDLUSA-N
IUPAC name(13S,14S,17R)-17-ethynyl-13-methyl-12,14,15,16-tetrahydro-11H-cyclopenta[a]phenanthrene-3,17-diol

About 17beta-Dihydro-17alpha-ethynyl-equillenin

Zemixal lists 17beta-Dihydro-17alpha-ethynyl-equillenin for laboratories that identify, quantify or control Ethinylestradiol and its related substances. Key data (Reference Standard): CAS 1357266-17-1, formula C20H20O2 and molar mass 292.4 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Analytical method development
  • Method validation (AMV)
  • 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

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Specifications and identifiers

Specifications of 17beta-Dihydro-17alpha-ethynyl-equillenin
Product name17beta-Dihydro-17alpha-ethynyl-equillenin
Catalogue numberZX-024604
CAS number1357266-17-1
IUPAC name(13S,14S,17R)-17-ethynyl-13-methyl-12,14,15,16-tetrahydro-11H-cyclopenta[a]phenanthrene-3,17-diol
Molecular formulaC20H20O2
Molar mass292.4 g/mol
Exact mass292.1463
GradeReference Standard
Physical formSolid
XLogP33.7
H-bond donors / acceptors2 / 2
Topological polar surface area40.5 Ų
HS code38229090
InChIKeyWADRLWZAEUTLMS-UFYCRDLUSA-N
SMILESC[C@]12CCC3=C([C@@H]1CC[C@]2(C#C)O)C=CC4=C3C=CC(=C4)O
PubChem CID13991399
Synonyms17β-Dihydro-17α-ethynyl-equillenin, 17b-Dihydro-17a-ethynyl-equilenin, (17alpha)-19-Norpregna-1,3,5,7,9-pentaen-20-yne-3,17-diol, 17Beta-Dihydro-17Alpha-ethynyl-equilenin

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 17beta-Dihydro-17alpha-ethynyl-equillenin
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 17beta-Dihydro-17alpha-ethynyl-equillenin

Which CAS number identifies 17beta-Dihydro-17alpha-ethynyl-equillenin?
17beta-Dihydro-17alpha-ethynyl-equillenin is registered under CAS 1357266-17-1. You may also see it listed as 17β-Dihydro-17α-ethynyl-equillenin, 17b-Dihydro-17a-ethynyl-equilenin, (17alpha)-19-Norpregna-1,3,5,7,9-pentaen-20-yne-3,17-diol. Our catalogue number for this item is ZX-024604.
What are the formula and molar mass of 17beta-Dihydro-17alpha-ethynyl-equillenin?
For 17beta-Dihydro-17alpha-ethynyl-equillenin, its formula is C20H20O2 and its molar mass is 292.4 g/mol. The systematic (IUPAC) name is (13S,14S,17R)-17-ethynyl-13-methyl-12,14,15,16-tetrahydro-11H-cyclopenta[a]phenanthrene-3,17-diol. InChIKey WADRLWZAEUTLMS-UFYCRDLUSA-N lets you match it in any structure database.
How is 17beta-Dihydro-17alpha-ethynyl-equillenin used in pharmaceutical QC?
17beta-Dihydro-17alpha-ethynyl-equillenin 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 17beta-Dihydro-17alpha-ethynyl-equillenin?
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 17beta-Dihydro-17alpha-ethynyl-equillenin?
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 17beta-Dihydro-17alpha-ethynyl-equillenin to my country?
Yes. 17beta-Dihydro-17alpha-ethynyl-equillenin ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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