Baicalein

Baicalein
Clinical data
Other names	Biacalein; Noroxylin
Identifiers
	IUPAC name 5,6,7-trihydroxy-2-phenyl-4H-1-benzopyran-4-one;
CAS Number	491-67-8;
PubChem CID	5281605;
IUPHAR/BPS	5144;
ChemSpider	4444924;
UNII	49QAH60606;
KEGG	C10023;
ChEBI	CHEBI:2979;
ChEMBL	ChEMBL8260;
CompTox Dashboard (EPA)	DTXSID2022389 ;
ECHA InfoCard	100.164.911
Chemical and physical data
Formula	C15H10O5
Molar mass	270.240 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES O=C\1c3c(O)c(O)c(O)cc3O/C(=C/1)c2ccccc2;
	InChI InChI=1S/C15H10O5/c16-9-6-11(8-4-2-1-3-5-8)20-12-7-10(17)14(18)15(19)13(9)12/h1-7,17-19H; Key:FXNFHKRTJBSTCS-UHFFFAOYSA-N;

Baicalein (5,6,7-trihydroxyflavone) is a flavone, a type of flavonoid, originally isolated from the roots of Scutellaria baicalensis and Scutellaria lateriflora. It is also a constituent of Oroxylum indicum (Indian trumpetflower) and thyme. It is the aglycone of baicalin.