has functional parent oxo dicarboxylic acid dianion oxaloacetate(2-) 129.990 130.05568 2-oxobutanedioate A C4-dicarboxylate resuting from deprotonation of both carboxy groups of oxaloacetic acid. Beilstein:3605372 C4H2O5 CAS:149-63-3 CHEBI:12820 CHEBI:14703 CHEBI:16452 CHEBI:24958 CHEBI:25731 Gmelin:1242579 InChI=1S/C4H4O5/c5-2(4(8)9)1-3(6)7/h1H2,(H,6,7)(H,8,9)/p-2 KEGG:C00036 KHPXUQMNIQBQEV-UHFFFAOYSA-L MetaCyc:OXALACETIC_ACID PMID:19793063 PMID:21098488 PMID:21175886 PMID:21178163 PMID:21185899 PMID:21434608 PMID:21495723 PMID:21745184 Reaxys:3605372 [O-]C(=O)CC(=O)C([O-])=O chebi_ontology oxalacetate oxaloacetate oxaloacetate dianion oxobutanedioate oxobutanedioic acid, ion(2-) oxosuccinate succinate(2-) C4-dicarboxylate