CAS: 959396-05-5

Applications 3-Hydroxy-17-oxo-estra-1,3,5(10)-triene-4-carboxylic Acid is an intermediate in the synthesis of 4-Carboxyl-17β-Estradiol is an impurity of 17β-Estradiol (E888000). Estradiol which is the major estrogen secreted by the premenopausal ovary. References Salole, E.G., et al.: Anal. Profiles Drug Subs., 15, 283 (1986); Lievertz, R.W., et al.: Am. J. Obstet. Gynecol., 156, 1289 (1987)