acetoacetate 101.02442 Butanoic acid, 3-oxo-, ion(1-) 101.08070 UM-BBD_compID:c0069 InChI=1S/C4H6O3/c1-3(5)2-4(6)7/h2H2,1H3,(H,6,7)/p-1 Reaxys:4128534 Acetoacetate C4H5O3 3-oxobutanoate CAS:141-81-1 KEGG:C00164 MetaCyc:3-KETOBUTYRATE A 3-oxo monocarboxylic acid anion that is the conjugate base of acetoacetic acid, arising from deprotonation of the carboxy group. acetoacetate Acetoacetate ion(1-) chebi_ontology -1 CHEBI:13705 Beilstein:4128534 WDJHALXBUFZDSR-UHFFFAOYSA-M CC(=O)CC([O-])=O lipid