Fisetin

CAS	528-48-3
Structure
Synonyms	3,7,3',4'-Tetrahydroxyflavone
IUPAC Name	2-(3,4-Dihydroxyphenyl)-3,7-dihydroxychromen-4-one
Molecular Weight	286.24
Molecular Formula	C15H10O6
Canonical SMILES	C1=CC(=C(C=C1C2=C(C(=O)C3=C(O2)C=C(C=C3)O)O)O)O
InChI	InChI=1S/C15H10O6/c16-8-2-3-9-12(6-8)21-15(14(20)13(9)19)7-1-4-10(17)11(18)5-7/h1-6,16-18,20H
InChI Key	XHEFDIBZLJXQHF-UHFFFAOYSA-N
Boiling Point	348.61 °C
Melting Point	>330 °C(lit.)
Flash Point	233 °C
Purity	97%
Density	1.2981 g/cm³
Refractive Index	1.4413
pKa	6.83±0.40(Predicted)
Appearance	Solid