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Quinalizarin - is an organic compound with formula C14H8O6. It is one of many tetrahydroxyanthraquinone isomers, formally derived from anthraquinone by replacement of four hydrogen atoms by hydroxyl (OH) groups.
Q 1217 (OTTO) Quinalizarin, GR 90% Cas 81-61-8 - used for isolation impurities in preparative separation.