has role is conjugate base of antineoplastic agent tyrosine kinase inhibitor emodin laxative phenolate anion plant metabolite emodin(1-) 269.22950 4,5-dihydroxy-7-methyl-9,10-dioxo-9,10-dihydroanthracen-2-olate A phenolate anion that is the conjugate base of emodin, obtained by deprotonation of the phenolic hydroxy group at position 2; major species at pH 7.3 (according to Marvin v 6.2.0.). C15H9O5 CHEBI:77659 Cc1cc(O)c2C(=O)c3c(O)cc([O-])cc3C(=O)c2c1 InChI=1S/C15H10O5/c1-6-2-8-12(10(17)3-6)15(20)13-9(14(8)19)4-7(16)5-11(13)18/h2-5,16-18H,1H3/p-1 RHMXXJGYXNZAPX-UHFFFAOYSA-M chebi_ontology emodin