Estrone

Estrone, (+-)-Isomer; Estrone, (8 alpha)-Isomer; Estrone, (9 beta)-Isomer; Estrovarin; Folliculin; Hauck Brand of Estrone; Hyrex Brand of Estrone; Kestrone; Unigen; Vortech Brand of Estrone; Wehgen
An aromatized C18 steroid with a 3-hydroxyl group and a 17-ketone, a major mammalian estrogen. It is converted from ANDROSTENEDIONE directly, or from TESTOSTERONE via ESTRADIOL. In humans, it is produced primarily by the cyclic ovaries, PLACENTA, and the ADIPOSE TISSUE of men and postmenopausal women.