Quinalizarin or 1,2,5,8-tetrahydroxyanthraquinone is an organic compound with formula C
14H
8O
6. It is one of many tetrahydroxyanthraquinone isomers, formally derived from anthraquinone by replacement of four hydrogen atoms by hydroxyl (OH) groups at the 1, 2, 5, and 8 positions.
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Preferred IUPAC name
1,2,5,8-Tetrahydroxyanthracene-9,10-dione | |
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ECHA InfoCard | 100.001.243 |
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Properties | |
C14H8O6 | |
Molar mass | 272.212 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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Quinalizarin is an inhibitor of the enzyme protein kinase CK2. It is more potent and selective than emodin.[1] It is also a potent catechol O-methyltransferase (COMT) inhibitor.[2][3]