Isoquercitin | |
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2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-[(2S,3R,4S,5S,6R)-3,4, 5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromen-4-one |
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Other names
Isoquercitrin |
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Identifiers | |
CAS number | 21637-25-2 |
PubChem | 5280804 |
Jmol-3D images | Image 1 |
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Properties | |
Molecular formula | C21H20O12 |
Molar mass | 464.37 g/mol |
Exact mass | 464.095476 u |
(verify) (what is: / ?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) |
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Infobox references |
Isoquercitin is a chemical compound. It can be isolated from mangoes and from Rheum nobile, the Noble rhubarb or Sikkim rhubarb, a giant herbaceous plant native to the Himalaya. Quercetin glycosides are also present in tea[1].
It is the 3-O-glucoside of quercetin.
UV-Vis | |
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Lambda-max | 254.8 ; 352.6 nm |
Extinction coefficient | ? |
IR | |
Major absorption bands | ? cm−1 |
NMR | |
Proton NMR | |
Carbon-13 NMR | |
Other NMR data | |
MS | |
Masses of main fragments |
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