11a-Hydroxy-16,17a-epoxyprogesterone is a steroid hormone. an analog of Progesterone (P755900), a steroid hormone produced by the corpus luteum. Induces maturation and secretory activity of the uterine endothelium; suppresses ovulation. Progesterone is implicated in the etiology of breast cancer.Melting Point: 241-244°CSolubility:Chloroform, Ethyl Acetate, methanol (warmed)