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Pharmacopeial Impurities (EP / USP / BP)

Desogestrel EP Impurity A

Reference StandardAvailable on request

Buy Desogestrel EP Impurity A (CAS 201360-82-9) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-021363.

Pack sizes
Desogestrel EP Impurity A chemical structure
CAS number201360-82-9
FormulaC22H30O
Molar mass310.5 g/mol
Physical formSolid
HS code38229090
InChIKeyRSMGIILCLKIXNG-JASYKLOUSA-N
IUPAC name(5S,8S,9R,10S,13S,14S,17R)-13-ethyl-17-ethynyl-11-methylidene-1,2,5,6,7,8,9,10,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-ol

About Desogestrel EP Impurity A

Desogestrel EP Impurity A belongs to the Desogestrel reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 201360-82-9, formula C22H30O and molar mass 310.5 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

Storage and safety notes

Hazard communication follows GHS (Danger: H302, H312, H332 and H351). Our SDS lists exposure controls and first-aid measures.

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 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 A
Product nameDesogestrel EP Impurity A
Catalogue numberZX-021363
CAS number201360-82-9
IUPAC name(5S,8S,9R,10S,13S,14S,17R)-13-ethyl-17-ethynyl-11-methylidene-1,2,5,6,7,8,9,10,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-ol
Molecular formulaC22H30O
Molar mass310.5 g/mol
Exact mass310.2297
GradeReference Standard
Physical formSolid
XLogP34.7
H-bond donors / acceptors1 / 1
Topological polar surface area20.2 Ų
HS code38229090
InChIKeyRSMGIILCLKIXNG-JASYKLOUSA-N
SMILESCC[C@]12CC(=C)[C@@H]3[C@H]4CCC=C[C@@H]4CC[C@H]3[C@@H]1CC[C@]2(C#C)O
PubChem CID71587628
SynonymsDesogestrel - Impurity A, Desogestrel Related Compound A, Desogestrel delta 3-isomer, (5alpha,17alpha)-13-Ethyl-11-methylene-18,19-dinorpregn-3-en-20-yn-17-ol, Desogestrel delta-3 isomer

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Danger

  • H302Harmful if swallowed
  • H312Harmful in contact with skin
  • H332Harmful if inhaled
  • H351Suspected of causing cancer

Precautionary statements P203, P261, P264, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P317, P318, P321, P330, P362 + P364, 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 A
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 A

Which CAS number identifies Desogestrel EP Impurity A?
Desogestrel EP Impurity A is registered under CAS 201360-82-9. You may also see it listed as Desogestrel - Impurity A, Desogestrel Related Compound A, Desogestrel delta 3-isomer. Our catalogue number for this item is ZX-021363.
What are the formula and molar mass of Desogestrel EP Impurity A?
For Desogestrel EP Impurity A, its formula is C22H30O and its molar mass is 310.5 g/mol. The systematic (IUPAC) name is (5S,8S,9R,10S,13S,14S,17R)-13-ethyl-17-ethynyl-11-methylidene-1,2,5,6,7,8,9,10,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-ol. InChIKey RSMGIILCLKIXNG-JASYKLOUSA-N lets you match it in any structure database.
How is Desogestrel EP Impurity A used in pharmaceutical QC?
Desogestrel EP Impurity A 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 A?
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 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 Desogestrel EP Impurity A to my country?
Yes. Because Desogestrel EP Impurity A 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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