The chemical Estramustine has a designated molecular formula of C23H31Cl2NO3 and a molecular weight of 440.405 g/mol. Synonyms may include: EINECS 221-076-3, 17beta-Estradiol 3-(bis(2-chloroethyl)carbamate), Estramustina [INN-Spanish], Estramustinum [INN-Latin], LEO 275, NSC 89201, RO 21-8837, Estracyt, Estradiol 3-(N,N-bis(2-chloroethyl)carbamate), BMS 247550, Estramustina, Estramustinum (ChemID). Estramustine has been assigned a MeSH pharmacological action of: Antineoplastic, Antineoplastic.