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Pharmacopeial Impurities (EP / USP / BP)

Desogestrel EP Impurity B

Reference StandardAvailable on request

Order Desogestrel EP Impurity B (CAS 54024-12-3) online at Zemixal. Request a quote with price, lead time and documents.

Pack sizes
Desogestrel EP Impurity B chemical structure
CAS number54024-12-3
FormulaC21H28O
Molar mass296.4 g/mol
Physical formSolid
HS code38229090
InChIKeyDKRPZVPROVDZCP-OLGWUGKESA-N
IUPAC name(8S,9S,10R,13S,14S,17R)-17-ethynyl-13-methyl-11-methylidene-1,2,3,6,7,8,9,10,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-ol

About Desogestrel EP Impurity B

Desogestrel EP Impurity B belongs to the Desogestrel reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 54024-12-3, formula C21H28O and molar mass 296.4 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Storage and safety notes

Hazard communication follows GHS (Danger: H351, H360 and H410). Our SDS lists exposure controls and first-aid measures.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Desogestrel

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

Desogestrel 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 Desogestrel EP Impurity B
Product nameDesogestrel EP Impurity B
Catalogue numberZX-021364
CAS number54024-12-3
IUPAC name(8S,9S,10R,13S,14S,17R)-17-ethynyl-13-methyl-11-methylidene-1,2,3,6,7,8,9,10,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-ol
Molecular formulaC21H28O
Molar mass296.4 g/mol
Exact mass296.214
GradeReference Standard
Physical formSolid
XLogP33.9
H-bond donors / acceptors1 / 1
Topological polar surface area20.2 Ų
HS code38229090
InChIKeyDKRPZVPROVDZCP-OLGWUGKESA-N
SMILESC[C@]12CC(=C)[C@H]3[C@H]([C@@H]1CC[C@]2(C#C)O)CCC4=CCCC[C@H]34
PubChem CID71587177
SynonymsDesogestrel - Impurity B, 11-Methylenelynestrenol, Desogestrel impurity B, 19-Norpregn-4-en-20-yn-17-ol, 11-methylene-, (17alpha)-, Desogestrel specified impurity B, 11-Methylidene-17alpha-19-norpregn-4-en-20-yn-17-ol

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

Safety and GHS hazards

GHS08 Health hazard
Health hazard
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Danger

  • H351Suspected of causing cancer
  • H360May damage fertility or the unborn child
  • H410Very toxic to aquatic life with long lasting effects

Precautionary statements P203, P273, P280, P318, P391, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Desogestrel 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 Desogestrel EP Impurity B

Which CAS number identifies Desogestrel EP Impurity B?
Desogestrel EP Impurity B is registered under CAS 54024-12-3. You may also see it listed as Desogestrel - Impurity B, 11-Methylenelynestrenol, Desogestrel impurity B. Our catalogue number for this item is ZX-021364.
What are the formula and molar mass of Desogestrel EP Impurity B?
For Desogestrel EP Impurity B, its formula is C21H28O and its molar mass is 296.4 g/mol. The systematic (IUPAC) name is (8S,9S,10R,13S,14S,17R)-17-ethynyl-13-methyl-11-methylidene-1,2,3,6,7,8,9,10,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-ol. InChIKey DKRPZVPROVDZCP-OLGWUGKESA-N lets you match it in any structure database.
How is Desogestrel EP Impurity B used in pharmaceutical QC?
Desogestrel EP Impurity B is a characterised reference material linked to Desogestrel. 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 Desogestrel 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 Desogestrel 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 Desogestrel EP Impurity B to my country?
Yes. Because Desogestrel EP Impurity B is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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