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API Reference Standards

Exemestane

Reference StandardAvailable on request

Exemestane (CAS 107868-30-4) supplier Zemixal: C20H24O2, COA and SDS with every lot, worldwide shipping. Packs from 10 mg.

Pack sizes
Exemestane chemical structure
CAS number107868-30-4
FormulaC20H24O2
Molar mass296.4 g/mol
Physical formSolid
HS code38229090
InChIKeyBFYIZQONLCFLEV-DAELLWKTSA-N
IUPAC name(8R,9S,10R,13S,14S)-10,13-dimethyl-6-methylidene-7,8,9,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-3,17-dione

About Exemestane

Zemixal lists Exemestane for laboratories that identify, quantify or control Exemestane and its related substances. For your records (Reference Standard), the material is defined by CAS 107868-30-4, formula C20H24O2 and molar mass 296.4 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Identification & assay
  • Method development & validation
  • QC reference material

Handling and storage

It carries the GHS signal word Danger (H319, H360 and H411), so wear gloves and eye protection and work with good ventilation.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Exemestane

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

Exemestane standards

Typical uses

  • Identification & assay
  • Method development & validation
  • QC reference material

Applications

Specifications and identifiers

Specifications of Exemestane
Product nameExemestane
Catalogue numberZX-021644
CAS number107868-30-4
IUPAC name(8R,9S,10R,13S,14S)-10,13-dimethyl-6-methylidene-7,8,9,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-3,17-dione
Molecular formulaC20H24O2
Molar mass296.4 g/mol
Exact mass296.1776
GradeReference Standard
Physical formSolid
XLogP33.1
H-bond donors / acceptors0 / 2
Topological polar surface area34.1 Ų
HS code38229090
InChIKeyBFYIZQONLCFLEV-DAELLWKTSA-N
SMILESC[C@]12CC[C@H]3[C@H]([C@@H]1CCC2=O)CC(=C)C4=CC(=O)C=C[C@]34C
PubChem CID60198
SynonymsAromasin, 6-Methyleneandrosta-1,4-diene-3,17-dione, Androsta-1,4-diene-3,17-dione, 6-methylene-, examestane, 6-Methylene-androsta-1,4-diene-3,17-dione, 6-Methylenandrosta-1,4-diene-3,17-dione, Aromasine, 6-methylideneandrosta-1,4-diene-3,17-dione, (8alpha,10alpha,13alpha)-6-Methylideneandrosta-1,4-Diene-3,17-Dione, Curator_000009, Exemestane, Aromasin, Aromasin (Pharmacia Upjohn)

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Danger

  • H319Causes serious eye irritation
  • H360May damage fertility or the unborn child
  • H411Toxic to aquatic life with long lasting effects

Precautionary statements P203, P264 + P265, P273, P280, P305 + P351 + P338, P318, P337 + P317, P391, 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 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 Exemestane

Which CAS number identifies Exemestane?
Exemestane is registered under CAS 107868-30-4. You may also see it listed as Aromasin, 6-Methyleneandrosta-1,4-diene-3,17-dione, Androsta-1,4-diene-3,17-dione, 6-methylene-. Our catalogue number for this item is ZX-021644.
What are the formula and molar mass of Exemestane?
For Exemestane, its formula is C20H24O2 and its molar mass is 296.4 g/mol. The systematic (IUPAC) name is (8R,9S,10R,13S,14S)-10,13-dimethyl-6-methylidene-7,8,9,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-3,17-dione. InChIKey BFYIZQONLCFLEV-DAELLWKTSA-N lets you match it in any structure database.
How is Exemestane used in pharmaceutical QC?
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 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 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 Exemestane to my country?
Yes. Because Exemestane 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.

More Exemestane standards

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