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Pharmacopeial Impurities (EP / USP / BP)Reference StandardAvailable on request

Desogestrel EP Impurity B

Synonyms: Desogestrel - Impurity B · 11-Methylenelynestrenol · Desogestrel impurity B · 19-Norpregn-4-en-20-yn-17-ol, 11-methylene-, (17alpha)-

CAS No.54024-12-3
FormulaC21H28O
Mol. weight296.40
Catalogue No.VQ-022333
PurityReference Standard
HSN38229090

Desogestrel EP Impurity B (CAS 54024-12-3) – Desogestrel impurity standard. C21H28O, MW 296.4. From Vaqora Chemicals, with COA and worldwide delivery.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Desogestrel EP Impurity B

Desogestrel EP Impurity B (CAS 54024-12-3) is a pharmacopeial impurity of Desogestrel offered by Vaqora Chemicals. Its molecular formula is C21H28O and its molecular weight is 296.4 g/mol. Alternative names: Desogestrel - Impurity B and 11-Methylenelynestrenol.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Danger” with 3 hazard statements. Review the Safety Data Sheet before use.

This Desogestrel impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Desogestrel EP Impurity B is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Desogestrel

View every impurity, metabolite and intermediate we list for Desogestrel.

Desogestrel impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product nameDesogestrel EP Impurity B
Catalogue No.VQ-022333
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
Molecular weight296.4 g/mol
Exact mass296.214
GradeReference Standard
HSN 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
Physical properties
Physical formSolid
LogP (XLogP3)3.9
H-bond donors / acceptors1 / 1
TPSA20.2 Ų
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

Safety & hazard information (GHS)

GHS08 Health hazard
Health hazard
GHS09 Environmental hazard
Environmental hazard

Signal word: Danger

Hazard statements

  • 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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Frequently asked questions

What is the CAS number of Desogestrel EP Impurity B?

The CAS Registry Number of Desogestrel EP Impurity B is 54024-12-3. It is also known as Desogestrel - Impurity B, 11-Methylenelynestrenol, Desogestrel impurity B.

What is the molecular formula and molecular weight of Desogestrel EP Impurity B?

Desogestrel EP Impurity B has the molecular formula C21H28O and a molecular weight of 296.4 g/mol. Its 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.

What is Desogestrel EP Impurity B used for?

Desogestrel EP Impurity B is supplied as a characterised reference material related to Desogestrel. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Desogestrel EP Impurity B can I order?

We supply Desogestrel EP Impurity B in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Desogestrel EP Impurity B?

Yes. Every lot of Desogestrel EP Impurity B is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Desogestrel EP Impurity B be shipped internationally?

Yes. Desogestrel EP Impurity B is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

Enquire about Desogestrel EP Impurity B

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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Related products

Reference Standard
Desogestrel chemical structure
Desogestrel
CAS
54024-22-5
Formula
C22H30O
MW
310.5 g/mol
VQ-022329

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