has functional parent hexanoate 2-oxo monocarboxylic acid anion 4-hydroxy-2-oxohexanoate 145.050 145.13330 4-hydroxy-2-oxohexanoate A medium-chain fatty acid anion comprising hexanoate substituted at C-2 and C-4 with oxo and hydroxy groups respectively. ALFQPWXBAWHVDP-UHFFFAOYSA-M C6H9O4 CCC(O)CC(=O)C([O-])=O CHEBI:53800 InChI=1S/C6H10O4/c1-2-4(7)3-5(8)6(9)10/h4,7H,2-3H2,1H3,(H,9,10)/p-1 KEGG:C06762 UM-BBD_compID:c0206 chebi_ontology straight-chain saturated fatty acid anion medium-chain fatty acid anion hydroxy fatty acid anion oxo fatty acid anion