Apigenin

CAS	520-36-5
Structure
Synonyms	4',5,7-Trihydroxyflavaone
IUPAC Name	5,7-Dihydroxy-2-(4-hydroxyphenyl)chromen-4-one
Molecular Weight	270.24
Molecular Formula	C15H10O5
Canonical SMILES	C1=CC(=CC=C1C2=CC(=O)C3=C(C=C(C=C3O2)O)O)O
InChI	InChI=1S/C15H10O5/c16-9-3-1-8(2-4-9)13-7-12(19)15-11(18)5-10(17)6-14(15)20-13/h1-7,16-18H
InChI Key	KZNIFHPLKGYRTM-UHFFFAOYSA-N
Boiling Point	333.35 °C
Melting Point	>300 °C(lit.)
Flash Point	217 °C
Purity	98%
Density	1.2319 g/cm³
Refractive Index	1.6000
pKa	6.53±0.40(Predicted)
Appearance	Yellow powder