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Pharmacopeial Impurities (EP / USP / BP)

Dienogest EP Impurity A

Reference StandardAvailable on request

Order Dienogest EP Impurity A (CAS 86153-39-1) online at Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-024273.

Pack sizes
Dienogest EP Impurity A chemical structure
CAS number86153-39-1
FormulaC20H25NO3
Molar mass327.4 g/mol
Physical formSolid
HS code38229090
InChIKeyQVHMVYURUMVWSF-VDWQKOAOSA-N
IUPAC name2-[(8S,11S,13S,14S,17R)-11,17-dihydroxy-13-methyl-3-oxo-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl]acetonitrile

About Dienogest EP Impurity A

Analytical teams working on Dienogest use Dienogest EP Impurity A as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 86153-39-1, formula C20H25NO3 and molar mass 327.4 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

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Every shipment includes a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Dienogest

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

Dienogest 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 Dienogest EP Impurity A
Product nameDienogest EP Impurity A
Catalogue numberZX-024273
CAS number86153-39-1
IUPAC name2-[(8S,11S,13S,14S,17R)-11,17-dihydroxy-13-methyl-3-oxo-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl]acetonitrile
Molecular formulaC20H25NO3
Molar mass327.4 g/mol
Exact mass327.1834
GradeReference Standard
Physical formSolid
XLogP30.7
H-bond donors / acceptors2 / 4
Topological polar surface area81.3 Ų
HS code38229090
InChIKeyQVHMVYURUMVWSF-VDWQKOAOSA-N
SMILESC[C@]12C[C@@H](C3=C4CCC(=O)C=C4CC[C@H]3[C@@H]1CC[C@]2(CC#N)O)O
PubChem CID71748925
SynonymsDienogest - Impurity A, Dienogest Impurity A, 11b-Hydroxy Dienogest, 11, A-Hydroxy-STS 557, Dienogest metabolite M3, STS-749, 11betaOH-Dienogest, 11beta-Hydroxy Dienogest, 11beta-Hydroxy-sts 557, 17alpha-Cyanomethyl-11beta,17beta-dihydroxyestra-4,9-dien-3-one, 19-Norpregna-4,9-diene-21-nitrile, 11,17-dihydroxy-3-oxo-, (11beta,17alpha)-, Dienogest Impurity A (11-beta-Hydroxy Dienogest)

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

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Dienogest 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 Dienogest EP Impurity A

Which CAS number identifies Dienogest EP Impurity A?
Dienogest EP Impurity A is registered under CAS 86153-39-1. You may also see it listed as Dienogest - Impurity A, Dienogest Impurity A, 11b-Hydroxy Dienogest. Our catalogue number for this item is ZX-024273.
What are the formula and molar mass of Dienogest EP Impurity A?
For Dienogest EP Impurity A, its formula is C20H25NO3 and its molar mass is 327.4 g/mol. The systematic (IUPAC) name is 2-[(8S,11S,13S,14S,17R)-11,17-dihydroxy-13-methyl-3-oxo-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl]acetonitrile. InChIKey QVHMVYURUMVWSF-VDWQKOAOSA-N lets you match it in any structure database.
How is Dienogest EP Impurity A used in pharmaceutical QC?
Dienogest EP Impurity A is a characterised reference material linked to Dienogest. 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 Dienogest 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 Dienogest 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 Dienogest EP Impurity A to my country?
Yes. Dienogest EP Impurity A ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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