The molecule is a trihydroxyanthraquinone that is 9,10-anthraquinone which is substituted by hydroxy groups at positions 1, 3, and 8 and by a methyl group at position 6. It is present in the roots and barks of numerous plants (particularly rhubarb and buckthorn), moulds, and lichens. It is an active ingredient of various Chinese herbs. It has a role as a tyrosine kinase inhibitor, an antineoplastic agent, a laxative and a plant metabolite. It derives from an emodin anthrone. It is a conjugate acid of an emodin(1-).
1,3,8-trihydroxy-6-methylanthracene-9,10-dione