Estradiol 3-propionate, or 3-propanoylestradiol, also known as estra-1,3,5(10)-trien-3,17β-diol 3-propionate, is a semisynthetic, steroidal estrogen that was never marketed. It is an estrogen ester, specifically, a propionic acid ester of estradiol, and acts as a prodrug to it in vivo. The chemical structure of estradiol 3-propionate is contained within estradiol dipropionate, estrapronicate, and orestrate, all of which are also estradiol esters.

CAS：6045-51-8
中文别名：
英文别名：(8R)-17c-Hydroxy-3-propionyloxy-13c-methyl-(8rH.9tH.14tH)-7.8.9.11.12.13.14.15.16.17-decahydro-6H-cyclopenta[a]phenanthren;Propionsaeure-[17β-hydroxy-oestratrien-(1.3.5(10))-yl-(3)-ester];17β-estradiol-3-propionate;3-propionyloxy-estratrien-(1.3.5(10))-ol-(17β);3-Propionyloxy-oestratrien-(1.3.5(10))-ol-(17β);3-Propionyloxy-oestratrien-(A)-ol-(17β);
分子式：C21H28O3
分子量：328.445
精确质量：328.204
Psa：46.53
Logp：4.219