Ethinylestradiol
CAS Number
57-63-6Synonym
Ethynyl estradiol; 1,3,5(10)-Estratrien-17-alpha-ethynyl-3,17-beta-diol; 17alpha-Ethynylestradiol; 19-Nor-1,3,5(10),17alpha-pregnatrien-20-yne-3,17-diol; Acetenyl estradiol; Neo-estrone; 17alpha-Ethinyl-17beta-estradiol
Occurrence/Use
Endogenous estrogenic hormone; medication (combined oral contraceptives)
![Ethinylestradiol](https://oehha.ca.gov/sites/default/files/media/styles/width_-_340px/public/files/images/chemical/ethinylestradiol.png?itok=KF2ofiaH)