A dioxo monocarboxylic acid that is heptanoic acid in which oxo groups replace the hydrogens at positions 4 and 6. It is an abnormal metabolite of the tyrosine metabolic pathway and a marker for type 1 tyrosinaemia. ChEBI: 4,6-dioxoheptanoic acid is a dioxo monocarboxylic acid that is heptanoic acid in which oxo groups replace the hydrogens at positions 4 and 6. It is an abnormal metabolite of the tyrosine metabolic pathway and a marker for type 1 tyrosinaemia. It has a role as a human metabolite. It is a beta-diketone and a dioxo monocarboxylic acid.