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Pharmacopeial Impurities (EP / USP / BP)

Exemestane EP Impurity B

Reference StandardAvailable on request

Exemestane EP Impurity B (CAS 184972-09-6) supplier Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-021645.

Pack sizes
Exemestane EP Impurity B chemical structure
CAS number184972-09-6
FormulaC20H26O3
Molar mass314.4 g/mol
Physical formSolid
HS code38229090
InChIKeyDAXJNUBSBFUTRP-RTQNCGMRSA-N
IUPAC name(8R,9S,10R,13S,14S)-6-(hydroxymethyl)-10,13-dimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-dione

About Exemestane EP Impurity B

Zemixal lists Exemestane EP Impurity B for laboratories that identify, quantify or control Exemestane and its related substances. Identity at a glance (Reference Standard): CAS 184972-09-6, formula C20H26O3 and molar mass 314.4 g/mol. It is handled as a solid.

Typical applications

  • Pharmacopeial method verification
  • Impurity profiling
  • 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. Each lot travels with a certificate of analysis with characterisation data. 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

  • 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 Exemestane EP Impurity B
Product nameExemestane EP Impurity B
Catalogue numberZX-021645
CAS number184972-09-6
IUPAC name(8R,9S,10R,13S,14S)-6-(hydroxymethyl)-10,13-dimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-dione
Molecular formulaC20H26O3
Molar mass314.4 g/mol
Exact mass314.1882
GradeReference Standard
Physical formSolid
XLogP32.1
H-bond donors / acceptors1 / 3
Topological polar surface area54.4 Ų
HS code38229090
InChIKeyDAXJNUBSBFUTRP-RTQNCGMRSA-N
SMILESC[C@]12CC[C@H]3[C@H]([C@@H]1CCC2=O)CC(C4=CC(=O)C=C[C@]34C)CO
PubChem CID11681199
SynonymsExemestane Related Compound B, Exemestane - Impurity B, 6-hydroxymethyl-1,4-androstadiene-3,17-dione, 6-Hydroxymethylandrosta-1,4-diene-3,17-dione, Androsta-1,4-diene-3,17-dione, 6-(hydroxymethyl)-, Androsta-1,4-diene-3,17-dione, 6-(hydroxymethyl), 6-hydroxymethyl-androsta-1,4-diene-3,17dione, 6-hydroxymethyl-androsta-1,4-diene-3,17 dione, 6-hydroxymethyl-androsta-1,4-diene-3,17-dione, 6x-(hydroxymethyl)androsta-1,4-diene-3,17-dione

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 Exemestane EP Impurity B
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 Exemestane EP Impurity B

Which CAS number identifies Exemestane EP Impurity B?
Exemestane EP Impurity B is registered under CAS 184972-09-6. You may also see it listed as Exemestane Related Compound B, Exemestane - Impurity B, 6-hydroxymethyl-1,4-androstadiene-3,17-dione. Our catalogue number for this item is ZX-021645.
What are the formula and molar mass of Exemestane EP Impurity B?
For Exemestane EP Impurity B, its formula is C20H26O3 and its molar mass is 314.4 g/mol. The systematic (IUPAC) name is (8R,9S,10R,13S,14S)-6-(hydroxymethyl)-10,13-dimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-dione. InChIKey DAXJNUBSBFUTRP-RTQNCGMRSA-N lets you match it in any structure database.
How is Exemestane EP Impurity B used in pharmaceutical QC?
Exemestane EP Impurity B 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 Exemestane EP Impurity B?
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 Exemestane EP Impurity B?
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 Exemestane EP Impurity B to my country?
Yes. Exemestane EP Impurity B ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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