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17α-Ethinyl estradiol (EE2)

CAS: 57-63-6 | C20H24O2

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 57-63-6
Molecular Formula: C20H24O2
Molecular Weight: 296.4100000000001 g/mol

Names and Synonyms:

17α-Ethinyl estradiol (EE2)
Ethinylestradiol
19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, (17α)-
19-Nor-17α-pregna-1,3,5(10)-trien-20-yne-3,17-diol
(17α)-19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol
Amenoron
Chee-O-Genf
Diogyn E
Dyloform
Esteed
Estigyn
Estinyl
Eston-E
Estorals
Estradiol, 17-ethynyl-
neo-Estrone
Ethidol
Ethinoral
17α-Ethinyl-3,17-dihydroxy-Δ1,3,5-estratriene
Ethinylestradiol
17-Ethinyl-3,17-estradiol
17α-Ethinylestradiol
17α-Ethinylestra-1,3,5(10)-triene-3,17β-diol
Ethinyloestradiol
17-Ethynyl-3,17-dihydroxy-1,3,5-oestratriene
Ethynylestradiol
17-Ethynylestradiol
17-Ethynylestra-1,3,5(10)-triene-3,17β-diol
17α-Ethynylestra-1,3,5(10)-triene-3,17β-diol
Eticyclin
Eticyclol
Etinestrol
Etinestryl
Etinoestryl
Ginestrene
Inestra
Linoral
Lynoral
Menolyn
Novestrol
Oradiol
Orestralyn
Palonyl
Perovex
Primogyn
Progynon C
Primogyn C
Primogyn M
17-Ethinylestradiol
17α-Ethinyl-17β-estradiol
17α-Ethinyl-1,3,5(10)-estratriene-3,17-diol
17α-Ethynylestradiol
17-Nor-17α-pregna-1,3,5-(10)-trien-20-yne-3,17-diol
Chee-O-Gen
Estoral
Etistradiol
Spanestrin
Follicoral
Microfollin
19-Nor-17α-pregna-1,3,5(10)-trien-20-yne-3,17β-diol
Ethynyloestradiol
Prosexol
NSC 10973
Gynofen
17α-Ethynylestra-3,17β-diol
Acetylene estradiol
Novinet

Identifiers:

SMILES:
C#C[C@]1(O)CC[C@H]2[C@@H]3CCc4cc(O)ccc4[C@H]3CC[C@@]21C
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

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Molecular

Property Value Source
Molecular Weight 296.4100000000001 g/mol RDKit

Exact

Property Value Source
Exact Molecular Weight 296.177630008 g/mol RDKit

Heavy

Property Value Source
Heavy Atom Count 22 count RDKit

Hydrogen

Property Value Source
Hydrogen Bond Acceptors 2 count RDKit
Hydrogen Bond Donors 2 count RDKit

Rotatable

Property Value Source
Rotatable Bonds 0 count RDKit

Aromatic

Property Value Source
Aromatic Ring Count 1 count RDKit

Topological

Property Value Source
Topological Polar Surface Area 40.46 Ų RDKit

Physical Properties

Property Value Source
LogP 3.6126000000000023 RDKit
molecular_mass 296.41 g/mol Legacy Database
cas-canonical-smile C#CC1(O)CCC2C3CCC4=CC(O)=CC=C4C3CCC21C None Legacy Database
cas-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 None Legacy Database
cas-inchi-key InChIKey=BFPYWIDHMRZLRN-SLHNCBLASA-N None Legacy Database
cas-melting-point 141-146 °C None Legacy Database
cas-name Ethinylestradiol None Legacy Database

Molar

Property Value Source
Molar Refractivity 86.50660000000005 RDKit

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