D4-Pregnene-3,20-dione White crystalline solid. Steroid hormone secreted by the corpus luteum during the latter half of the menstrual cycle. Binds to the progesterone receptor in the nucleus to influence transcription. Purity: ≥98% by HPLC. RTECS TW0175000, CAS 57-83-0. Merck Index: 14, 7773
R: 60-61; S: 45-53 |