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Pharmacopeial Impurities (EP / USP / BP)

Desogestrel EP Impurity E

Reference StandardAvailable on request

Buy Desogestrel EP Impurity E (CAS 70805-85-5) from Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-021361.

Pack sizes
Desogestrel EP Impurity E chemical structure
CAS number70805-85-5
FormulaC22H30O2
Molar mass326.5 g/mol
Physical formSolid
HS code38229090
InChIKeyZMLDTNLDYRJTAZ-GDLCRWSOSA-N
IUPAC name(3S,8S,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-11-methylidene-1,2,3,6,7,8,9,10,12,14,15,16-dodecahydrocyclopenta[a]phenanthrene-3,17-diol

About Desogestrel EP Impurity E

Zemixal lists Desogestrel EP Impurity E for laboratories that identify, quantify or control Desogestrel and its related substances. Identity at a glance (Reference Standard): CAS 70805-85-5, formula C22H30O2 and molar mass 326.5 g/mol. It is handled as a solid.

Typical applications

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

Handling and storage

Classified under GHS with signal word Danger and hazard statements 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. Every shipment includes 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 E
Product nameDesogestrel EP Impurity E
Catalogue numberZX-021361
CAS number70805-85-5
IUPAC name(3S,8S,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-11-methylidene-1,2,3,6,7,8,9,10,12,14,15,16-dodecahydrocyclopenta[a]phenanthrene-3,17-diol
Molecular formulaC22H30O2
Molar mass326.5 g/mol
Exact mass326.2246
GradeReference Standard
Physical formSolid
XLogP33.4
H-bond donors / acceptors2 / 2
Topological polar surface area40.5 Ų
HS code38229090
InChIKeyZMLDTNLDYRJTAZ-GDLCRWSOSA-N
SMILESCC[C@]12CC(=C)[C@H]3[C@H]([C@@H]1CC[C@]2(C#C)O)CCC4=C[C@H](CC[C@H]34)O
PubChem CID9858547
SynonymsDesogestrel - Impurity E, 3beta-Hydroxydesogestrel, Desogestrel impurity E, 13-Ethyl-11-methylidene-18,19-dinor-17alpha-pregn-4-en-20-yne-3beta,17-diol, 18,19-Dinorpregn-4-en-20-yne-3,17-diol, 13-ethyl-11-methylene-, (3beta,17alpha)-, 3b-Hydroxydesogestrel, (3beta,17alpha)-13-Ethyl-11-methylene-18,19-dinorpregn-4-en-20-yne-3,17-diol, 3a-Hydroxydesogestrel

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

Signal word Danger

  • H351Suspected of causing cancer

Precautionary statements P203, P280, P318, 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 E
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 E

Which CAS number identifies Desogestrel EP Impurity E?
Desogestrel EP Impurity E is registered under CAS 70805-85-5. You may also see it listed as Desogestrel - Impurity E, 3beta-Hydroxydesogestrel, Desogestrel impurity E. Our catalogue number for this item is ZX-021361.
What are the formula and molar mass of Desogestrel EP Impurity E?
For Desogestrel EP Impurity E, its formula is C22H30O2 and its molar mass is 326.5 g/mol. The systematic (IUPAC) name is (3S,8S,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-11-methylidene-1,2,3,6,7,8,9,10,12,14,15,16-dodecahydrocyclopenta[a]phenanthrene-3,17-diol. InChIKey ZMLDTNLDYRJTAZ-GDLCRWSOSA-N lets you match it in any structure database.
How is Desogestrel EP Impurity E used in pharmaceutical QC?
Desogestrel EP Impurity E 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 E?
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 E?
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 E to my country?
Yes. Because Desogestrel EP Impurity E 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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