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API Impurities

1,2-alpha-Epoxy Exemestane

Reference StandardAvailable on request

1,2-alpha-Epoxy Exemestane (CAS 159354-61-7) supplier Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-021648.

Pack sizes
1,2-alpha-Epoxy Exemestane chemical structure
CAS number159354-61-7
FormulaC20H24O3
Molar mass312.4 g/mol
Physical formSolid
HS code38229090
InChIKeyACZFVFMOZUAEEW-XXWSGHEVSA-N
IUPAC name(1S,2R,3R,5R,11R,12S,16S)-2,16-dimethyl-9-methylidene-4-oxapentacyclo[9.7.0.02,8.03,5.012,16]octadec-7-ene-6,15-dione

About 1,2-alpha-Epoxy Exemestane

1,2-alpha-Epoxy Exemestane belongs to the Exemestane reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 159354-61-7, formula C20H24O3 and molar mass 312.4 g/mol. It is handled as a solid.

Typical applications

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Exemestane

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

Exemestane standards

Typical uses

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Specifications and identifiers

Specifications of 1,2-alpha-Epoxy Exemestane
Product name1,2-alpha-Epoxy Exemestane
Catalogue numberZX-021648
CAS number159354-61-7
IUPAC name(1S,2R,3R,5R,11R,12S,16S)-2,16-dimethyl-9-methylidene-4-oxapentacyclo[9.7.0.02,8.03,5.012,16]octadec-7-ene-6,15-dione
Molecular formulaC20H24O3
Molar mass312.4 g/mol
Exact mass312.1725
GradeReference Standard
Physical formSolid
XLogP32.3
H-bond donors / acceptors0 / 3
Topological polar surface area46.7 Ų
HS code38229090
InChIKeyACZFVFMOZUAEEW-XXWSGHEVSA-N
SMILESC[C@]12CC[C@H]3[C@H]([C@@H]1CCC2=O)CC(=C)C4=CC(=O)[C@H]5[C@@H]([C@]34C)O5
PubChem CID118730170
Synonyms1,2-α-Epoxy Exemestane, 1,2-epoxy Exemestane, Epoxy Exemestane, 1,2-alpha-, (1alpha,2alpha)-1,2-Epoxy-6-methyleneandrost-4-ene-3,17-dione, Androst-4-ene-3,17-dione, 1,2-epoxy-6-methylene-, (1, A,2, A)-, Androst-4-ene-3,17-dione, 1,2-epoxy-6-methylene-, (1alpha,2alpha)-

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 1,2-alpha-Epoxy Exemestane
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 1,2-alpha-Epoxy Exemestane

Which CAS number identifies 1,2-alpha-Epoxy Exemestane?
1,2-alpha-Epoxy Exemestane is registered under CAS 159354-61-7. You may also see it listed as 1,2-α-Epoxy Exemestane, 1,2-epoxy Exemestane, Epoxy Exemestane, 1,2-alpha-. Our catalogue number for this item is ZX-021648.
What are the formula and molar mass of 1,2-alpha-Epoxy Exemestane?
For 1,2-alpha-Epoxy Exemestane, its formula is C20H24O3 and its molar mass is 312.4 g/mol. The systematic (IUPAC) name is (1S,2R,3R,5R,11R,12S,16S)-2,16-dimethyl-9-methylidene-4-oxapentacyclo[9.7.0.02,8.03,5.012,16]octadec-7-ene-6,15-dione. InChIKey ACZFVFMOZUAEEW-XXWSGHEVSA-N lets you match it in any structure database.
How is 1,2-alpha-Epoxy Exemestane used in pharmaceutical QC?
1,2-alpha-Epoxy Exemestane is a characterised reference material linked to Exemestane. 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 1,2-alpha-Epoxy Exemestane?
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 1,2-alpha-Epoxy Exemestane?
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 1,2-alpha-Epoxy Exemestane to my country?
Yes. 1,2-alpha-Epoxy Exemestane ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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