Taxifolin

Taxifolin
Names
	IUPAC name (2R,3R)-3,3′,4′,5,7-Pentahydroxyflavan-4-one
	Systematic IUPAC name (2R,3R)-2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-2,3-dihydro-4H-1-benzopyran-4-one
	Other names Dihydroquercetin; Taxifoliol; Distylin; (+)-Taxifolin; trans-Dihydroquercetin; (+)-Dihydroquercetin
Identifiers
CAS Number	480-18-2 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:17948 ;
ChEMBL	ChEMBL66 ;
ChemSpider	388626 ;
ECHA InfoCard	100.006.859
EC Number	207-543-4;
KEGG	C01617 ;
PubChem CID	439533;
UNII	9SOB9E3987 ;
CompTox Dashboard (EPA)	DTXSID8022450 ;
	InChI InChI=1S/C15H12O7/c16-7-4-10(19)12-11(5-7)22-15(14(21)13(12)20)6-1-2-8(17)9(18)3-6/h1-5,14-19,21H/t14-,15+/m0/s1 Key: CXQWRCVTCMQVQX-LSDHHAIUSA-N ; InChI=1/C15H12O7/c16-7-4-10(19)12-11(5-7)22-15(14(21)13(12)20)6-1-2-8(17)9(18)3-6/h1-5,14-19,21H/t14-,15+/m0/s1 Key: CXQWRCVTCMQVQX-LSDHHAIUBE;
	SMILES OC1=C(C([C@H](O)[C@@H](C2=CC(O)=C(O)C=C2)O3)=O)C3=CC(O)=C1;
Properties
Chemical formula	C15H12O7
Molar mass	304.254 g·mol−1
Appearance	Brown powder
Melting point	237 °C (459 °F; 510 K)
UV-vis (λmax)	290, 327 nm (methanol)
	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

Taxifolin (5,7,3',4'-flavan-on-ol), also known as dihydroquercetin, belongs to the subclass flavanonols in the flavonoids, which in turn is a class of polyphenols. It is extracted from plants such as Siberian larch and milk thistle.

Names


IUPAC name (2R,3R)-3,3′,4′,5,7-Pentahydroxyflavan-4-one
Systematic IUPAC name (2R,3R)-2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-2,3-dihydro-4H-1-benzopyran-4-one
Other names Dihydroquercetin Taxifoliol Distylin (+)-Taxifolin trans-Dihydroquercetin (+)-Dihydroquercetin
Identifiers
CAS Number	480-18-2^N
3D model (JSmol)	Interactive image
ChEBI	CHEBI:17948^N
ChEMBL	ChEMBL66^N
ChemSpider	388626^N
ECHA InfoCard	100.006.859
EC Number	207-543-4
KEGG	C01617^N
PubChem CID	439533
UNII	9SOB9E3987^N
CompTox Dashboard (EPA)	DTXSID8022450
InChI InChI=1S/C15H12O7/c16-7-4-10(19)12-11(5-7)22-15(14(21)13(12)20)6-1-2-8(17)9(18)3-6/h1-5,14-19,21H/t14-,15+/m0/s1^N Key: CXQWRCVTCMQVQX-LSDHHAIUSA-N^N InChI=1/C15H12O7/c16-7-4-10(19)12-11(5-7)22-15(14(21)13(12)20)6-1-2-8(17)9(18)3-6/h1-5,14-19,21H/t14-,15+/m0/s1 Key: CXQWRCVTCMQVQX-LSDHHAIUBE
SMILES OC1=C(C([C@H](O)[C@@H](C2=CC(O)=C(O)C=C2)O3)=O)C3=CC(O)=C1
Properties
Chemical formula	C₁₅H₁₂O₇
Molar mass	304.254 g·mol⁻¹
Appearance	Brown powder
Melting point	237 °C (459 °F; 510 K)
UV-vis (λ_max)	290, 327 nm (methanol)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is ^YN ?) Infobox references