benzenedicarboxylic acid isophthalic acid chebi_ontology IPA m-benzenedicarboxylic acid C8H6O4 CHEBI:30802 benzene-1,3-dicarboxylic acid Gmelin:27618 QQVIHTHCMHWDBS-UHFFFAOYSA-N 166.13084 Wikipedia:Isophthalic_acid Beilstein:1909332 Reaxys:1909332 InChI=1S/C8H6O4/c9-7(10)5-2-1-3-6(4-5)8(11)12/h1-4H,(H,9,10)(H,11,12) OC(=O)c1cccc(c1)C(O)=O meta-benzenedicarboxylic acid CAS:121-91-5 166.02661 0 A benzenedicarboxylic acid that is benzene substituted by carboxy groups at position 1 and 3. One of three possible isomers of benzenedicarboxylic acid, the others being phthalic and terephthalic acids. PMID:24101250 MetaCyc:CPD0-1267 isophthalate(1-)