The Pregn-11-ene-3, 20-dione, with the CAS registry number 26423-79-0, is also known as 11-Pregnen-3, 20-dione. This chemical's molecular formula is C₂₁H₃₀O₂ and molecular weight is 314.4617. What's more, its IUPAC name is (8S, 9S, 10S, 13S, 14S, 17S)-17-Acetyl-10, 13-dimethyl-1, 2, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17-dodecahydrocyclopenta[a]phenanthren-3-one. This chemical's classification codes are Hormone; Reproductive Effect.

Physical properties about Pregn-11-ene-3, 20-dione are: (1)ACD/LogP: 4.01; (2)# of Rule of 5 Violations: 0; (3)#H bond acceptors: 2; (4)#H bond donors: 0; (5)#Freely Rotating Bonds: 1; (6)Polar Surface Area: 34.14 Å²; (7)Index of Refraction: 1.526; (8)Molar Refractivity: 90.71 cm³; (9)Molar Volume: 295.1 cm³; (10)Polarizability: 35.96×10^-24 cm³; (11)Surface Tension: 38.1 dyne/cm; (12)Density: 1.065 g/cm³; (13)Flash Point: 160.1 °C; (14)Enthalpy of Vaporization: 68.37 kJ/mol; (15)Boiling Point: 428.6 °C at 760 mmHg; (16)Vapour Pressure: 1.5E-07 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1) SMILES: O=C3CC2CC[C@H]1[C@H]4[C@](/C=C\[C@@H]1[C@@]2(C)CC3)([C@@H](C(=O)C)CC4)C
(2) InChI: InChI=1/C21H30O2/c1-13(22)17-6-7-18-16-5-4-14-12-15(23)8-10-20(14,2)19(16)9-11-21(17,18)3/h9,11,14,16-19H,4-8,10,12H2,1-3H3/t14?,16-,17+,18-,19-,20-,21+/m0/s1
(3) InChIKey: ZQTJQOPWOKKYDC-CVHNGYJVBA