17alpha-Estradiol

17α-雌二醇

Also known as: α-Estradiol, Alfatradiol, Epiestradiol, 17-Epiestradiol, Estra-1,3,5(10)-triene-3,17a-diol, Epiestrol, 17α-Oestradiol, 17a-Oestradiol, Oestra-1,3,5(10)-triene-3,17a-diol, 17α-estradiol, (8R,9S,13S,14S,17R)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol, MFCD00064144

17alpha-Estradiol (CAS 57-91-0) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C18H24O2 and a molecular weight of 272.382 g/mol. It is also known as α-Estradiol, Alfatradiol and Epiestradiol. Key properties include a melting point of 176-180ºC(lit.), a boiling point of 445.9±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 209.6±23.3 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

57-91-0

Jingsj CID

J-16929-7

Molecular Formula

C₁₈H₂₄O₂

Chinese Name

17α-雌二醇

Molecular Weight

272.382 g/mol

Category

Alcohols

Last updated

8/21/2026