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Pharmacopeial Impurities (EP / USP / BP)

Desogestrel EP Impurity C

Reference StandardAvailable on request

Buy Desogestrel EP Impurity C (CAS 54024-21-4) from Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-021362.

Pack sizes
Desogestrel EP Impurity C chemical structure
CAS number54024-21-4
FormulaC20H28O
Molar mass284.4 g/mol
Physical formSolid
HS code38229090
InChIKeyKVNYZZFGXXHVMG-XFAGIWRCSA-N
IUPAC name(8S,9S,10R,14S)-13-ethyl-11-methylidene-1,2,3,6,7,8,9,10,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-one

About Desogestrel EP Impurity C

Desogestrel EP Impurity C belongs to the Desogestrel reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 54024-21-4, formula C20H28O and molar mass 284.4 g/mol. It is handled as a solid.

Where it is used

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

Safe handling

Classified under GHS with signal word Danger and hazard statements H302, H312, H332 and H351. Read the SDS before first use.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. 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 C
Product nameDesogestrel EP Impurity C
Catalogue numberZX-021362
CAS number54024-21-4
IUPAC name(8S,9S,10R,14S)-13-ethyl-11-methylidene-1,2,3,6,7,8,9,10,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-one
Molecular formulaC20H28O
Molar mass284.4 g/mol
Exact mass284.214
GradeReference Standard
Physical formSolid
XLogP34
H-bond donors / acceptors0 / 1
Topological polar surface area17.1 Ų
HS code38229090
InChIKeyKVNYZZFGXXHVMG-XFAGIWRCSA-N
SMILESCCC12CC(=C)[C@H]3[C@H]([C@@H]1CCC2=O)CCC4=CCCC[C@H]34
PubChem CID46863903
SynonymsDesogestrel - Impurity C, 13b-Ethyl-11-methylenegon-4-en-17-one, 13-Ethyl-11-methylene-gon-4-en-17-one, EX-A3556, 11-methylene-18-methyl-Estra-4-ene-17-one

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 C
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 C

Which CAS number identifies Desogestrel EP Impurity C?
Desogestrel EP Impurity C is registered under CAS 54024-21-4. You may also see it listed as Desogestrel - Impurity C, 13b-Ethyl-11-methylenegon-4-en-17-one, 13-Ethyl-11-methylene-gon-4-en-17-one. Our catalogue number for this item is ZX-021362.
What are the formula and molar mass of Desogestrel EP Impurity C?
For Desogestrel EP Impurity C, its formula is C20H28O and its molar mass is 284.4 g/mol. The systematic (IUPAC) name is (8S,9S,10R,14S)-13-ethyl-11-methylidene-1,2,3,6,7,8,9,10,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-one. InChIKey KVNYZZFGXXHVMG-XFAGIWRCSA-N lets you match it in any structure database.
How is Desogestrel EP Impurity C used in pharmaceutical QC?
Desogestrel EP Impurity C 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 C?
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 C?
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 C to my country?
Yes. Because Desogestrel EP Impurity C 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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