ChEBI: 5-dehydro-D-gluconic acid is a ketoaldonic acid and a hexonic acid. It has a role as an Escherichia coli metabolite. It is functionally related to a D-gluconic acid. It is a conjugate acid of a 5-dehydro-D-gluconate. It is an enantiomer of a 5-dehydro-L-gluconic acid.