Progesterone Synonyms: PROGESTERONE-WATER SOLUBLE; progestin; PROGESTERONE; PRIMOLUT; CAS: 57-83-0 MF: C21H30O2 MW: 314.46 Chemical Properties: Crystalline Powder Product Implementation Quality Standard: USP, EP, BP and IP. Usage: Sterid 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