4',7-Dihydroxyflavone

4′,7-Dihydroxyflavone
Names
	IUPAC name 4′,7-Dihydroxyflavone
	Systematic IUPAC name 7-Hydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one
	Other names 7,4′-Dihydroxyflavone
Identifiers
CAS Number	2196-14-7 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:29503;
ChemSpider	4445298;
PubChem CID	5282073;
UNII	53ZZF57X0U ;
CompTox Dashboard (EPA)	DTXSID50176365 ;
	InChI InChI=1S/C15H10O4/c16-10-3-1-9(2-4-10)14-8-13(18)12-6-5-11(17)7-15(12)19-14/h1-8,16-17H Key: LCAWNFIFMLXZPQ-UHFFFAOYSA-N; InChI=1/C15H10O4/c16-10-3-1-9(2-4-10)14-8-13(18)12-6-5-11(17)7-15(12)19-14/h1-8,16-17H Key: LCAWNFIFMLXZPQ-UHFFFAOYAD;
	SMILES C1=CC(=CC=C1C2=CC(=O)C3=C(O2)C=C(C=C3)O)O;
Properties
Chemical formula	C15H10O4
Molar mass	254.241 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

4′,7-Dihydroxyflavone is a flavone. It is found in Medicago truncatula in relation with the root nodulation symbiont Sinorhizobium meliloti^[1] or in seeds of Sophora viciifolia.^[2]

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Like many other flavonoids, 4′,7-dihydroxyflavone has been found to possess activity at opioid receptors in vitro.^[3] Specifically, it acts as an antagonist of the μ-opioid receptor and, with lower affinity, of the κ- and δ-opioid receptors.^[3]

See also