The molecule is a tetrahydroxyanthraquinone that is that is 3,5,6,8-tetrahydroxy-9,10-anthraquinone substituted by two carboxy groups at positions 1 and 2 as well as a 5-(2-amino-2-carboxyethyl)-2-hydroxyphenyl group at position 7. A minor component of LAC dye together with laccaic acids A, B and D It has a role as a dye and an animal metabolite. It is a polyphenol, a tetrahydroxyanthraquinone, a tricarboxylic acid and an alpha-amino acid.
7-[5-(2-amino-2-carboxyethyl)-2-hydroxyphenyl]-3,5,6,8-tetrahydroxy-9,10-dioxoanthracene-1,2-dicarboxylic acid