Anodyne

EE
Ethinylestradiol
Molecular structure via molpic
Conformer structure via 3Dmol.js
Molecular formulaC20H24O2[1]
Molecular mass296.4 g/mol[1]
AppearanceFine, white to creamy white crystalline powder[1]
OdorOdorless[1]
Predicted LogP3.7[1]
Melting point288 to 295 °F (NTP, 1992)[1]
DecompositionWhen heated to decomposition it emits acrid smoke and irritating fumes.[1]
Solubilityless than 1 mg/mL at 70 °F (NTP, 1992)[1]
Chiralityabsolute[2]
Identifiers
[]
IUPAC name(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[1]
SMILESC[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@]2(C#C)O)CCC4=C3C=CC(=C4)O[1]
InChIInChI=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[1]
InChIKeyBFPYWIDHMRZLRN-SLHNCBLASA-N[1]
Dosing
Elimination half-life7–36 hours

Ethinylestradiol

Ethinylestradiol (also known as ethinyl estradiol, Ethynylestradiol, Ethynyl estradiol, Ethinyloestradiol, Ginestrene, 17α-Ethynylestradiol, Amenoron, Dyloform, Estorals or Ethinoral) is a substance of the steroid class.

Chemistry

Stereochemistry

Ethinylestradiol is a absolute mixture

See also