Molecular properties
- Formula
- C20H24O2
- Molar mass
- 296.41 g·mol−1
- Exact mass
- 296.1776 Da
- 9
- PubChem CID
- 5991
Molecule record
(8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol
C20H24O2
296.41 g/mol
Loading structure
Functional groups
Alcohol
Alkane / alkyl carbon
Alkyne
Aromatic ring
Phenol
Physical properties
No source-backed physical properties are curated for this molecule yet.
Common names and synonyms
- 17-Ethinylestradiol
- 17alpha-Ethynylestradiol
- 57-63-6
- Amenoron
- Dyloform
- ETHINYLESTRADIOL
- Estigyn
- Estinyl
Show all 24 synonyms
- Ethidol
- Ethinyloestradiol
- Ethynyl estradiol
- Ethynylestradiol
- Eticyclin
- Eticyclol
- Etinestrol
- Etinoestryl
- Feminone
- Ginestrene
- Inestra
- Linoral
- Lynoral
- Menolyn
- Progynon C
- ethinyl estradiol
Structure identifiers
- Canonical SMILES
- C#C[C@]1(O)CC[C@H]2[C@@H]3CCc4cc(O)ccc4[C@H]3CC[C@@]21C
- Isomeric SMILES
- C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@]2(C#C)O)CCC4=C3C=CC(=C4)O
- InChI
- InChI=1S/C20H24O2/c1-3-20(22)11-9-18-17-6-4-13-12-14(21)5-7-15(13)16(17)8-10-19(18,20)2/h1,5,7,12,16-18,21-22H,4,6,8-11H2,2H3/t16-,17-,18+,19+,20+/m1/s1
- InChIKey
- BFPYWIDHMRZLRN-SLHNCBLASA-N
- PubChem CID
- 5991
Spectroscopy
Tabs appear only for spectra stored with clear provenance.
No redistributable or simulated spectroscopy record is attached yet.
Simulated NMR
On-demand educational prediction for (8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol; not experimental data.
Simulated EI mass spectrum
On-demand educational fragmentation for (8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol; not experimental data.
Sources
Molecule identity
Retrieved 8/20/2026. Reuse status is summarized by the badge; open the source for full details.