CAS:595-77-7 MF:C21H30O4 MW:346.46 EINECS:209-869-2 Synonyms:4-Pregnen-16α,17α-diol-3,20-dione;16a,17a-dihydroxyprogesterone;4-PREGNEN-16-ALPHA, 17-DIOL-3,20-DIONE;4-PREGNEN-16ALPHA, 17ALPHA-DIOL-3,20 DIONE;ALGESONE; ALGESTONE;ALPHASONE; DIHYDROXYPROGESTERONE