Epoxy Exemestane (6-beta Isomer)
Impurity reference standard
- CAS number
- 152764-31-3
- InChIKey
- GFNJDRLFFJDJAC-FLVPGIQOSA-N
- Molecular formula
- C20H24O3
- Molecular weight
- 312.40
- Exact mass
- 312.1725 Da
- Purity
- 95%+
- Appearance
- White to Off-White Solid
- Storage
- 2℃ ~ 8℃
About Epoxy Exemestane (6-beta Isomer)
Epoxy Exemestane (6-beta Isomer) is supplied as an analytical reference standard. It is registered under CAS number 152764-31-3.
The compound is characterised by its molecular formula C20H24O3 and a molecular weight of 312.40, with the two-dimensional structure shown above.
Computed from the structure, the compound has a monoisotopic mass of 312.1725 Da, a calculated LogP of 3.24, a topological polar surface area of 46.67 Ų. It presents 0 hydrogen-bond donors and 3 acceptors. The structure carries 6 defined stereocentres, which is relevant wherever a stereochemically defined standard is required. These values are commonly used to anticipate chromatographic retention and to plan ionisation conditions during method development.
Each pack ships with a certificate of analysis reporting purity of 95%+ together with the supporting analytical data — HNMR, MS and HPLC or GC traces — so the material can be released straight into your own QC workflow. Recommended storage: 2℃ ~ 8℃.
Available from stock in milligram to gram quantities; larger or custom synthesis requirements are quoted on request.
Calculated properties
Derived from the two-dimensional structure above using RDKit. Computed values describe the parent structure and are provided as a reference for method development — they are not measured data.
- LogP (Crippen)
- 3.24
- Topological polar surface area
- 46.67 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 3
- Rotatable bonds
- 0
- Heavy atoms
- 23
- Rings
- 5
- Defined stereocentres
- 6
- Elemental composition
- C 76.89% · H 7.74% · O 15.36%
Frequently asked questions
What purity does Epoxy Exemestane (6-beta Isomer) ship at?
Epoxy Exemestane (6-beta Isomer) is supplied at 95%+, as stated on the certificate of analysis issued with each pack.
Does Epoxy Exemestane (6-beta Isomer) come with a certificate of analysis?
Yes. Every pack ships with a certificate of analysis plus the supporting analytical data — HNMR, MS and HPLC or GC traces.
How is Epoxy Exemestane (6-beta Isomer) uniquely identified?
The InChIKey GFNJDRLFFJDJAC-FLVPGIQOSA-N identifies the structure unambiguously, so it can be matched against your own registry or a public database.
Is a structure file available for Epoxy Exemestane (6-beta Isomer)?
Yes. The two-dimensional structure is drawn on this page from the SMILES record, and the SMILES or a molfile can be supplied on request.
What pack sizes are available for Epoxy Exemestane (6-beta Isomer)?
Standard packs run from milligram to gram quantities and ship from stock. Larger or custom synthesis requirements are quoted on request.
How should Epoxy Exemestane (6-beta Isomer) be stored?
Recommended storage: 2℃ ~ 8℃.
Need this standard, or a related one?
Send the compound name, CAS number or a structure file — we confirm availability, pack size and lead time, usually within one business day.