Molecule structure of Pregna-1,4-diene-3,20-dione,16,17-[(1R)-butylidenebis(oxy)]-11,21-dihydroxy-, (11b,16a)- (CAS NO.51372-29-3):

Molecular Weight: 430.53386 [g/mol]
Molecular Formula: C₂₅H₃₄O₆ 
Index of Refraction: 1.592
Molar Refractivity: 113.86 cm³
Molar Volume: 336.4 cm³
Surface Tension: 55.2 dyne/cm
Density: 1.27 g/cm³
Flash Point: 201.8 °C
Enthalpy of Vaporization: 102.44 kJ/mol
Boiling Point: 599.7 °C at 760 mmHg
Vapour Pressure: 6.94E-17 mmHg at 25 °C
XLogP3-AA: 2.5
H-Bond Donor: 2
H-Bond Acceptor: 6
Rotatable Bond Count: 4
Tautomer Count: 9
Exact Mass: 430.235539
MonoIsotopic Mass: 430.235539
Topological Polar Surface Area: 93.1
Heavy Atom Count: 31 
Canonical SMILES: CCCC1OC2CC3C4CCC5=CC(=O)C=CC5(C4C(CC3(C2(O1)C(=O)CO)C)O)C
Isomeric SMILES: CCC[C@@H]1O[C@@H]2C[C@H]3[C@@H]4CCC5=CC(=O)C=C[C@@]5([C@H]4[C@H](C[C@@]3([C@@]2(O1)C(=O)CO)C)O)CInChI: InChI=1S/C25H34O6/c1-4-5-21-30-20-11-17-16-7-6-14-10-15(27)8-9-23(14,2)22(16)18(28)12-24(17,3)25(20,31-21)19(29)13-26/h8-10,16-18,20-22,26,28H,4-7,11-13H2,1-3H3/t16-,17-,18-,20+,21+,22+,23-,24-,25+/m0/s1
InChIKey: VOVIALXJUBGFJZ-VXKMTNQYSA-N
EINECS of Pregna-1,4-diene-3,20-dione,16,17-[(1R)-butylidenebis(oxy)]-11,21-dihydroxy-, (11b,16a)- (CAS NO.51372-29-3): 257-161-7

 Pregna-1,4-diene-3,20-dione,16,17-[(1R)-butylidenebis(oxy)]-11,21-dihydroxy-, (11b,16a)- (CAS NO.51372-29-3) is also called (R)-11beta,16alpha,17,21-Tetrahydroxypregna-1,4-diene-3,20-dione 16,17-acetal with butyraldehyde ; Dexbudesonide ; 16alpha(R),17-(Butylidenebis(oxy))-11beta,21-dihydroxypregna-1,4-diene-3,20-dione .