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Molecule record

(8R,9S,10R,13S,14S)-10,13-dimethyl-6-methylidene-7,8,9,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-3,17-dione

C20H24O2

296.41 g/mol

Loading structure

Molecular properties

Formula
C20H24O2
Molar mass
296.41 g·mol−1
Exact mass
296.1776 Da
9
PubChem CID
60198

Functional groups

Alkane / alkyl carbon
Alkene
Ketone

Physical properties

No source-backed physical properties are curated for this molecule yet.

Common names and synonyms

  • (1S,2R,10R,11S,15S)-2,15-dimethyl-8-methylidenetetracyclo(8.7.0.0^(2,7).0^(11,15))heptadeca-3,6-diene-5,14-dione
  • 107868-30-4
  • 6-Methylene-androsta-1,4-diene-3,17-dione
  • 6-Methyleneandrosta-1,4-diene-3,17-dione
  • Androsta-1,4-diene-3,17-dione, 6-methylene-
  • Aromasin
  • C20H24O2
  • CHEBI:4953
Show all 24 synonyms
  • DTXCID003037
  • DTXSID5023037
  • EXEMESTANE
  • Exemestano
  • Exemestano [INN-Spanish]
  • Exemestanum
  • Exemestanum [INN-Latin]
  • FCE-24304
  • FCE24304
  • L02BG06
  • NSC-758907
  • NSC713563
  • NY22HMQ4BX
  • PNU-155971
  • RefChem:57964
  • examestane

Structure identifiers

Canonical SMILES
C=C1C[C@@H]2[C@H](CC[C@]3(C)C(=O)CC[C@@H]23)[C@@]2(C)C=CC(=O)C=C12
Isomeric SMILES
C[C@]12CC[C@H]3[C@H]([C@@H]1CCC2=O)CC(=C)C4=CC(=O)C=C[C@]34C
InChI
InChI=1S/C20H24O2/c1-12-10-14-15-4-5-18(22)20(15,3)9-7-16(14)19(2)8-6-13(21)11-17(12)19/h6,8,11,14-16H,1,4-5,7,9-10H2,2-3H3/t14-,15-,16-,19+,20-/m0/s1
InChIKey
BFYIZQONLCFLEV-DAELLWKTSA-N
PubChem CID
60198

Spectroscopy

Tabs appear only for spectra stored with clear provenance.

Open library
No redistributable or simulated spectroscopy record is attached yet.

Simulated NMR

On-demand educational prediction for (8R,9S,10R,13S,14S)-10,13-dimethyl-6-methylidene-7,8,9,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-3,17-dione; not experimental data.

Simulated EI mass spectrum

On-demand educational fragmentation for (8R,9S,10R,13S,14S)-10,13-dimethyl-6-methylidene-7,8,9,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-3,17-dione; not experimental data.

Sources

Molecule identity

Retrieved 8/20/2026. Reuse status is summarized by the badge; open the source for full details.

PubChem(link only)
Open source record