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Pharmacopeial Impurities (EP / USP / BP)

Cyproterone Acetate EP Impurity I

Reference StandardAvailable on request

Buy Cyproterone Acetate EP Impurity I (CAS 13698-49-2) from Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
Cyproterone Acetate EP Impurity I chemical structure
CAS number13698-49-2
FormulaC23H27ClO4
Molar mass402.9 g/mol
Physical formSolid
HS code38229090
InChIKeyCGBCCZZJVKUAMX-DFXBJWIESA-N
IUPAC name[(8R,9S,10R,13S,14S,17R)-17-acetyl-6-chloro-10,13-dimethyl-3-oxo-9,11,12,14,15,16-hexahydro-8H-cyclopenta[a]phenanthren-17-yl] acetate

About Cyproterone Acetate EP Impurity I

Analytical teams working on Cyproterone use Cyproterone Acetate EP Impurity I as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 13698-49-2, formula C23H27ClO4 and molar mass 402.9 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

Safe handling

Hazard communication follows GHS (Warning: H351 and H361). Our SDS lists exposure controls and first-aid measures.

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. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Cyproterone

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

Cyproterone 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 Cyproterone Acetate EP Impurity I
Product nameCyproterone Acetate EP Impurity I
Catalogue numberZX-020253
CAS number13698-49-2
IUPAC name[(8R,9S,10R,13S,14S,17R)-17-acetyl-6-chloro-10,13-dimethyl-3-oxo-9,11,12,14,15,16-hexahydro-8H-cyclopenta[a]phenanthren-17-yl] acetate
Molecular formulaC23H27ClO4
Molar mass402.9 g/mol
Exact mass402.1598
GradeReference Standard
Physical formSolid
XLogP33.8
H-bond donors / acceptors0 / 4
Topological polar surface area60.4 Ų
HS code38229090
InChIKeyCGBCCZZJVKUAMX-DFXBJWIESA-N
SMILESCC(=O)[C@]1(CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2C=C(C4=CC(=O)C=C[C@]34C)Cl)C)OC(=O)C
PubChem CID10135765
SynonymsDelmadinone Acetate, Chlormadinone Acetate EP Impurity D, Cyproterone Acetate - Impurity I, Pregna-1,4,6-triene-3,20-dione, 17-(acetyloxy)-6-chloro-, 6-Chloro-17-hydroxypregna-1,4,6-triene-3,20-dione acetate, Delmadinone acetate (USAN), 6-chloro-3,20-dioxopregna-1,4,6-trien-17-yl acetate, 6-Chloro-delta(sup 1,6)-bis-dehydro-17-alpha-acetoxyprogesterone, 6-Chloro-17-alpha-hydroxypregna-1,4,6-triene-3,20-dione acetate (ester), Pregna-1,4,6-triene-3,20-dione, 6-chloro-17-alpha-hydroxy-, acetate (ester), Cyproterone Impurity I, 17-(Acetyloxy)-6-chloropregna-1,4,6-triene-3,20-dione

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 Warning

  • H351Suspected of causing cancer
  • H361Suspected of damaging fertility or the unborn child

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 Cyproterone Acetate EP Impurity I
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 Cyproterone Acetate EP Impurity I

Which CAS number identifies Cyproterone Acetate EP Impurity I?
Cyproterone Acetate EP Impurity I is registered under CAS 13698-49-2. You may also see it listed as Delmadinone Acetate, Chlormadinone Acetate EP Impurity D, Cyproterone Acetate - Impurity I. Our catalogue number for this item is ZX-020253.
What are the formula and molar mass of Cyproterone Acetate EP Impurity I?
For Cyproterone Acetate EP Impurity I, its formula is C23H27ClO4 and its molar mass is 402.9 g/mol. The systematic (IUPAC) name is [(8R,9S,10R,13S,14S,17R)-17-acetyl-6-chloro-10,13-dimethyl-3-oxo-9,11,12,14,15,16-hexahydro-8H-cyclopenta[a]phenanthren-17-yl] acetate. InChIKey CGBCCZZJVKUAMX-DFXBJWIESA-N lets you match it in any structure database.
How is Cyproterone Acetate EP Impurity I used in pharmaceutical QC?
Cyproterone Acetate EP Impurity I is a characterised reference material linked to Cyproterone. 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 Cyproterone Acetate EP Impurity I?
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 Cyproterone Acetate EP Impurity I?
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 Cyproterone Acetate EP Impurity I to my country?
Yes. Because Cyproterone Acetate EP Impurity I 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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