Empirical Formula: C₂₁H₂₀O₁₀
Molecular Weight: 432.3775g/mol
Structure of 4H-1-Benzopyran-4-one,3-[4-(b-D-glucopyranosyloxy)phenyl]-5,7-dihydroxy- (CAS NO.152-95-4):

Index of Refraction: 1.717
Molar Refractivity: 103.67 cm³
Molar Volume: 263.2 cm³
Polarizability: 41.1×10^-24cm³
Surface Tension: 91.4 dyne/cm
Density: 1.642 g/cm³
Flash Point: 271.5 °C
Enthalpy of Vaporization: 116.63 kJ/mol
Boiling Point: 763.3 °C at 760 mmHg
Vapour Pressure: 1.7E-24 mmHg at 25°C 
Product Categories: Miscellaneous Natural Products;Natural Plant Extract 
Systematic Name: 4-(5,7-dihydroxy-4-oxo-4H-chromen-3-yl)phenyl beta-D-glucopyranoside
SMILES: O=C/1c4c(O)cc(O)cc4O\C=C\1c3ccc(O[C@@H]2O[C@@H]([C@@H](O)[C@H](O)[C@H]2O)CO)cc3
InChI: InChI=1/C21H20O10/c22-7-15-18(26)19(27)20(28)21(31-15)30-11-3-1-9(2-4-11)12-8-29-14-6-10(23)5-13(24)16(14)17(12)25/h1-6,8,15,18-24,26-28H,7H2/t15-,18-,19+,20-,21-/m1/s1
InChIKey: ISQRJFLLIDGZEP-CMWLGVBABN

  4H-1-Benzopyran-4-one,3-[4-(b-D-glucopyranosyloxy)phenyl]-5,7-dihydroxy- , its cas register number is 152-95-4. It also can be called 3-[4-(b-D-Glucopyranosyloxy)phenyl]-5,7-dihydroxy-411-1-benzopyran-4-one ; 4-(5,7-Dihydroxy-4-oxo-4H-chromen-3-yl)phenyl beta-D-glucopyranoside ; 4',5,7-Trihydroxyisoflavone-4'-D-glucoside ; Genistein-4'-glucoside ; 5,7-dihydroxy-3-(4-{[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}phenyl)-4H-chromen-4-one ; Sophoricoside .