Synonym: 11ß,21-Dihydroxy-4-pregnene-3,20-dione, 11ß,21-Dihydroxyprogesterone, 4-Pregnene-11ß,21-diol-3,20-dione, Kendall’s Compound B, Reichstein’s Substance H CAS Number: 50-22-6 Empirical Formula (Hill Notation): C21H30O4 Molecular Weight: 346.46 Beilstein...