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Cat Number: API57636

Ethinylestradiol

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CAS Number

57-63-6

Synonyms

ethinyl estradiol
Ethynylestradiol
ETHINYLESTRADIOL
Ethynyl estradiol

Description

17alpha-ethynylestradiol is a 3-hydroxy steroid that is estradiol substituted by a ethynyl group at position 17. It is a xenoestrogen synthesized from estradiol and has been shown to exhibit high estrogenic potency on oral administration. It has a role as a xenoestrogen. It is a 17-hydroxy steroid, a terminal acetylenic compound and a 3-hydroxy steroid. It is functionally related to a 17beta-estradiol and an estradiol.

Molecular Weight

296.4

Molecular Formula

C20H24O2

EINECS

200-342-2

SMILES

CC12CCC3C(C1CCC2(C#C)O)CCC4=C3C=CC(=C4)O

Appearance

fine white to creamy white powder

Melting Point

142-146 ℃