United States Pharmacopeia (USP) Reference Standard
Synonym(s): 4-Pregnene-3,20-dione
Empirical Formula: C21H30O2
Formula Weight: 314.46
Linear Formula: C21H30O2
MDL Number: MFCD00003658
Melting Point: 128-132 °C(lit.)
Beilstein Registry Number: 1915950