Baicalin

Baicalin
Names
	IUPAC name 5,6-Dihydroxy-4-oxoflav-2-en-7-yl β-D-glucopyranosiduronic acid
	Systematic IUPAC name (2S,3S,4S,5R,6S)-6-[(5,6-Dihydroxy-4-oxo-2-phenyl-4H-1-benzopyran-7-yl)oxy]-3,4,5-trihydroxyoxane-2-carboxylic acid
	Other names Baicalein 7-O-glucuronide; 5,6-Dihydroxy-4-oxygen-2-phenyl-4H-1-benzopyran-7-β-D-glucopyranose acid
Identifiers
CAS Number	21967-41-9 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	70480
ChEBI	CHEBI:2981 ;
ChEMBL	ChEMBL485818 ;
ChemSpider	58507 ;
ECHA InfoCard	100.133.557
EC Number	606-866-1;
KEGG	C10025;
PubChem CID	64982;
UNII	347Q89U4M5 ;
CompTox Dashboard (EPA)	DTXSID701346569 ;
	InChI InChI=1S/C21H18O11/c22-9-6-10(8-4-2-1-3-5-8)30-11-7-12(14(23)15(24)13(9)11)31-21-18(27)16(25)17(26)19(32-21)20(28)29/h1-7,16-19,21,23-27H,(H,28,29)/t16-,17-,18+,19-,21+/m0/s1 Key: IKIIZLYTISPENI-ZFORQUDYSA-N ; InChI=1/C21H18O11/c22-9-6-10(8-4-2-1-3-5-8)30-11-7-12(14(23)15(24)13(9)11)31-21-18(27)16(25)17(26)19(32-21)20(28)29/h1-7,16-19,21,23-27H,(H,28,29)/t16-,17-,18+,19-,21+/m0/s1 Key: IKIIZLYTISPENI-ZFORQUDYBD;
	SMILES O=C3\C=C(/Oc2cc(O[C@@H]1O[C@H](C(=O)O)[C@@H](O)[C@H](O)[C@H]1O)c(O)c(O)c23)c4ccccc4;
Properties
Chemical formula	C21H18O11
Molar mass	446.364 g·mol−1
Melting point	202 to 205 °C (396 to 401 °F; 475 to 478 K)
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H315, H319, H335
Precautionary statements	P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

As baicalin is a flavone glycoside, it is a flavonoid. It is the glucuronide of baicalein.