4H-1-Benzopyran-4-one,3,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-

Molecule structure of Robinetin (CAS NO.490-31-3) :

IUPAC Name: 3,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)chromen-4-one 
Molecular Weight: 302.2357 g/mol
Molecular Formula: C₁₅H₁₀O₇ 
Density: 1.799 g/cm³ 
Melting Point: 326-328 °C
Boiling Point: 669.9 °C at 760 mmHg 
Flash Point: 258.6 °C
Index of Refraction: 1.823
Molar Refractivity: 73.31 cm³
Molar Volume: 167.9 cm³
Polarizability: 29.06×10^-24 cm³
Surface Tension: 114.8 dyne/cm 
Enthalpy of Vaporization: 103.42 kJ/mol
Vapour Pressure: 7.35E-19 mmHg at 25 °C
XLogP3-AA: 1.6
H-Bond Donor: 5
H-Bond Acceptor: 7
Rotatable Bond Count: 1
Tautomer Count: 267
Exact Mass: 302.042653
MonoIsotopic Mass: 302.042653
Topological Polar Surface Area: 128
Heavy Atom Count: 22
Complexity: 476
Canonical SMILES: C1=CC2=C(C=C1O)OC(=C(C2=O)O)C3=CC(=C(C(=C3)O)O)O
InChI: InChI=1S/C15H10O7/c16-7-1-2-8-11(5-7)22-15(14(21)12(8)19)6-3-9(17)13(20)10(18)4-6/h1-5,16-18,20-21H
InChIKey: SOEDEYVDCDYMMH-UHFFFAOYSA-N
EINECS: 207-709-6
Product Categories of Robinetin (CAS NO.490-31-3) : Flavanols; Penta-substituted Flavones

Mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes.
Risk Statements: 22 
R22:Harmful if swallowed.
Safety Statements: 22-45 
S22:Do not breathe dust. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: 2811

 Robinetin (CAS NO.490-31-3) is also called 3,3',4',5',7-Pentahydroxyflavone ; 3,7,3',4',5'-Pentahydroxuflavone ; 4H-1-Benzopyran-4-one, 3,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)- ; 5-18-05-00562 (Beilstein Handbook Reference) ; 5-Hydroxyfisetin ; BRN 0308905 ; CCRIS 7520 ; Flavone, 3,3',4',5',7-pentahydroxy- ; NSC 407331 ; NSC 656274 ; Norkanugin ; 3,7-Dihydroxy-2-(3,4,5-trihydroxyphenyl)-4-benzopyrone ; 4H-1-Benzopyran-4-one, 3,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)- (9CI) .