Tags: Chemical Compound, Chemical Substance.
13-Dihydroxyanthraquinone also called purpuroxanthin or xanthopurpurin is an organic compound with formula C14H8O4 that occurs in the plant Rubia cordifolia (Indian madder). It is one of ten dihydroxyanthraquinone isomers. Its molecular structure can be viewed as being derived from anthraquinone by replacement of two hydrogen atoms (H) by hydroxyl groups (-OH).
