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Estradiol

CAS: 50-28-2 | C18H24O2

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 50-28-2
Molecular Formula: C18H24O2
Molecular Weight: 272.3879999999999 g/mol

Names and Synonyms:

Estradiol
(8R,9S,13S,14S,17S)-13-Methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol
IMVEXXY
TX 004HR
17β-Estradiol E2
Destradiol
Innofem
Gynodiol
Fempatch
Estring
Elestrim
Sprediol
Vivelle-Dot
Compudose 100
Compudose 400
Zesteem
Evamist
Menostar
Estropause
Benzogynestry
Bio-E Gel
Estreva
Estredox
Estasorb
Alora
Estraderm MX
Estrapatch
FemSeven
Absorlent Matrix
Estrogel HBF
Femanest
Estradot
Estroclim
Estring Vaginal Ring
Ovocylin
Profoliol B
NSC 9895
Vivelle
Zumenon
Estraderm TTS 100
Gelestra
Vagifem
Sandrena 1
Divigel
Aerodiol
Encore
17β-Estradiol
Oesclim
Climara
Dermestril
Estroclim 50
Epiestriol 50
Estraderm TTS 50
13β-Methyl-1,3,5(10)-gonatriene-3,17β-ol
Climaderm
Evorel
Systen
Menorest
Oestrogel
Estraderm TTS
Estrogel
Compudose 200
E 2
Compudose 365
Estraderm
Compudose
Estrace
Estradiol-17β
17β-Oestradiol
Corpagen
Follicyclin
Aquadiol
Perlatanol
3,17β-Estradiol
3,17β-Dihydroxyestra-1,3,5(10)-triene
Oestra-1,3,5(10)-triene-3,17β-diol
(+)-3,17β-Estradiol
β-Estradiol
Estra-1,3,5(10)-triene-3,17-diol, (17β)-
Ginosedol
Estra-1,3,5(10)-triene-3,17β-diol
Theelin, dihydro-
Syndiol
Progynon DH
Progynon
Profoliol
Primofol
Ovocyclin
Ovastevol
Ovasterol
Ovahormon
Oestroglandol
Oestradiol
Oestergon
Nordicol
Macrodiol
Lamdiol
Gynoestryl
Gynergon
Femogen
Femestral
Estrovite
Dimenformon
Estraldine
3,17-Epidihydroxyestratriene
Diogynets
Diogyn
Dihydroxyestrin
Dihydrotheelin
Dihydromenformon
Dihydrofolliculin
Dihydrofollicular hormone
Beta-estradiol
Bardiol
Altrad
(17β)-Estra-1,3,5(10)-triene-3,17-diol
Estradiol
Estra-1,3,5(10)-triene-3,17-diol (17β)-

Identifiers:

SMILES:
C[C@]12CC[C@@H]3c4ccc(O)cc4CC[C@H]3[C@@H]1CC[C@@H]2O
InChI:
InChI=1S/C18H24O2/c1-18-9-8-14-13-5-3-12(19)10-11(13)2-4-15(14)16(18)6-7-17(18)20/h3,5,10,14-17,19-20H,2,4,6-9H2,1H3/t14-,15-,16+,17+,18+/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

Physical Properties

Property Value Source
molecular_mass 272.39 g/mol Legacy Database
wikipedia_url https://en.wikipedia.org/wiki/Estradiol None Legacy Database
cas-canonical-smile OC1=CC=C2C(=C1)CCC3C2CCC4(C)C(O)CCC34 None Legacy Database
cas-inchi InChI=1S/C18H24O2/c1-18-9-8-14-13-5-3-12(19)10-11(13)2-4-15(14)16(18)6-7-17(18)20/h3,5,10,14-17,19-20H,2,4,6-9H2,1H3/t14-,15-,16+,17+,18+/m1/s1 None Legacy Database
cas-inchi-key InChIKey=VOXZDWNPVJITMN-ZBRFXRBCSA-N None Legacy Database
cas-melting-point 173-179 °C None Legacy Database
cas-name Estradiol None Legacy Database
wikipedia-name Estradiol None Legacy Database
LogP 3.6092000000000026 RDKit

Molecular

Property Value Source
Molecular Weight 272.3879999999999 g/mol RDKit

Exact

Property Value Source
Exact Molecular Weight 272.177630008 g/mol RDKit

Heavy

Property Value Source
Heavy Atom Count 20 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

Molar

Property Value Source
Molar Refractivity 78.73060000000005 RDKit

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