Isoquercetin

Isoquercetin, isoquercitrin or isotrifoliin is a flavonoid, a type of chemical compound. It is the 3-O-glucoside of quercetin. Isoquercitrin can be isolated from various plant species including Mangifera indica (mango) and Rheum nobile (the Noble rhubarb). It is also present in the leaves of Annona squamosa, Camellia sinensis (tea). and Vestia foetida

Isoquercetin
Names
IUPAC name
3-(β-D-Glucopyranosyloxy)-3′,4′,5,7-tetrahydroxyflavone
Systematic IUPAC name
2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3-{[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-4H-1-benzopyran-4-one
Other names
Isoquercitroside
Isoquercitin
Isoquercetin
Trifoliin
Isotrifolin
Trifoliin A
Isohyperoside
Isotrifoliin
Quercetin-3-glucoside
Quercetin-3-O-glucoside
Quercetin 3-O-β-D-glucopyranoside
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.123.856
KEGG
PubChem CID
UNII
  • InChI=1S/C21H20O12/c22-6-13-15(27)17(29)18(30)21(32-13)33-20-16(28)14-11(26)4-8(23)5-12(14)31-19(20)7-1-2-9(24)10(25)3-7/h1-5,13,15,17-18,21-27,29-30H,6H2/t13-,15-,17+,18-,21+/m1/s1
    Key: OVSQVDMCBVZWGM-QSOFNFLRSA-N
  • InChI=1/C21H20O12/c22-6-13-15(27)17(29)18(30)21(32-13)33-20-16(28)14-11(26)4-8(23)5-12(14)31-19(20)7-1-2-9(24)10(25)3-7/h1-5,13,15,17-18,21-27,29-30H,6H2/t13-,15-,17+,18-,21+/m1/s1
    Key: OVSQVDMCBVZWGM-QSOFNFLRBX
SMILES
  • C1=CC(=C(C=C1C2=C(C(=O)C3=C(C=C(C=C3O2)O)O)O[C@H]4[C@@H]([C@H]([C@@H]([C@H](O4)CO)O)O)O)O)O
Properties
C21H20O12
Molar mass 464.379 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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