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Estrone is an estrogenic hormone secreted by the ovary as well as adipose tissue with the chemical name of 3-hydroxyestra-1,3,5(10)-triene-17-one and the chemical formula C18H22O2.
E 1328 (OTTO) Estrone, 98% Cas 53-16-7 - used as a metabolite of 17-Estradiol.