Structure of 4H-1-Benzopyran-4-one,5,7-dihydroxy-8-methoxy-2-phenyl- (CAS NO.632-85-9):

Empirical Formula: C₁₆H₁₂O₅
Molecular Weight: 284.2635g/mol
Index of Refraction: 1.668
Molar Refractivity: 74.64 cm³
Molar Volume: 200.1 cm³
Polarizability: 29.59×10^-24cm³
Surface Tension: 63.4 dyne/cm
Density: 1.42 g/cm³
Flash Point: 198.3 °C
Enthalpy of Vaporization: 82.12 kJ/mol 
Melting Point: 203-206°C
Boiling Point: 518.8 °C at 760 mmHg
Vapour Pressure of 4H-1-Benzopyran-4-one,5,7-dihydroxy-8-methoxy-2-phenyl- (CAS NO.632-85-9): 2.21E-11 mmHg at 25°C 
IUPAC Name: 5,7-dihydroxy-8-methoxy-2-phenylchromen-4-one 
Product Categories: Tri-substituted Flavones;Caspases/Apoptosis 
Canonical SMILES: COC1=C(C=C(C2=C1OC(=CC2=O)C3=CC=CC=C3)O)O
InChI: InChI=1S/C16H12O5/c1-20-15-12(19)7-10(17)14-11(18)8-13(21-16(14)15)9-5-3-2-4-6-9/h2-8,17,19H,1H3
InChIKey: XLTFNNCXVBYBSX-UHFFFAOYSA-N

RTECS of 4H-1-Benzopyran-4-one,5,7-dihydroxy-8-methoxy-2-phenyl- (CAS NO.632-85-9): LK8331000

  4H-1-Benzopyran-4-one,5,7-dihydroxy-8-methoxy-2-phenyl- , its cas register number is 632-85-9. It also can be called 5,7-Dihydroxy-8-methoxyflavone ; 5-18-04-00571 (Beilstein Handbook Reference) ; BRN 0287152 ; Vogonin ;
 Wogonin . 4H-1-Benzopyran-4-one,5,7-dihydroxy-8-methoxy-2-phenyl- (CAS NO.632-85-9)  is an O-methylated flavone, a flavonoid-like chemical compound which was found in Scutellaria baicalensis. The glycosides of wogonin are known as wogonosides.