Nomegestrolum CAS:58691-88-6

Nomegestrol (INN), also known as 19-normegestrol, is a steroidal progestin which was patented in 1975 but was never marketed.It is the parent compound of nomegestrol acetate, which is marketed as a progestin.

Nomegestrol shows relatively low affinity for the progesterone receptor, nisi de 4% illius progesterone et de 1.6% of that of nomegestrol acetate in one assay.