estradiol valerate and its Impurities
A 17β-valerate ester of estradiol, it is a prodrug of Estradiol.It is used as a main component of hormonal contraceptive and as a hormone replacement therapy. This natural steroid is bioidentical form of Estradiol. Reference standards of Estradiol Valerate API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


Estradiol Valerate - Impurity I
(1S,3aS,3bR,10aR,10bS,13S,13aS,15aS,18bS,20aS)-13a,17,17,20a-Tetramethyl-2,3,3a,3b,4,5,9,10,10a,10b,11,12,13,13a,14,15,15a,17,18b,19,20,20a-docosahydro-1Hbiscyclopenta[5,6]naphtho[1,2-b:2',1'-i]xanthene-1,13-diyl dipentanoate
Catalogue No.:PA 05 0200090
CAS :
NA
Molecular Formula : C49H66O5
Molecular Weight : 735.06