Nomenclature
CAS number: 1169-79-5
(16α,17β)-3-(Cyclopentyloxy)estra-1,3,5(10)-trien-16,17-diol; quinestradol; estriol 3-cyclopentyl ether; Colpovis (SIT); Pentovis (Parke-Davis).
C
23H
32O
3; mol wt 356.50.
C 77.49%, H 9.05%, O 13.46%.
Description and references
Prepn from estriol and cyclopentylbromide:
Ercoli, GB 909662 (1962 to Vismara).
Properties
Crystals, mp 98-100°.Therapeutic Category
Estrogen.
Keywords
Estrogen; Steroidal
Status
This monograph has been retired and is no longer subject
to revision or update.