Go back to listing compounds

17alpha-ethynylestradiol


Name(s) 17alpha-ethynylestradiol
Scientific name(s) ethinyl estradiol; ethynylestradiol; 57-63-6; ethynyl estradiol; ethinylestradiol; ethinyloestradiol; 17-ethinylestradiol
Formula C20H24O2
Molecular mass 296.4
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
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
SMILE [H][C@@]12CC[C@@](O)(C#C)[C@@]1(C)CC[C@]1([H])C3=C(CC[C@@]21[H])C=C(O)C=C3
CAS ID 57-63-6
PubChem ID 5991
DrugBank ID DB00977
CHEBI ID 4903
Description A synthetic form of estradiol, called ethinyl estradiol is a major component of hormonal contraceptive devices. 17alpha-ethynylestradiol is found in many foods, some of which are common walnut, ginkgo nuts, allspice, and papaya.