Alpha-Estradiol (S5910-GRP)

Alpha-Estradiol (α-Estradiol, 17 alpha-Estradiol, Alfatradiol, Epiestradiol, Epiestrol, Alora, 17 α-E2), a natural, non-feminizing stereoisomer, a hormonally almost inactive isomer of physiological 17 beta-estradiol (17 β-E2), is a weak inhibitor of estrogen.