The molecule is a ketoaldonic acid phosphate consisting of 3-deoxy-D-manno-oct-2-ulosonic acid having a phospho group at the 8-position. It has a role as an Escherichia coli metabolite. It is a conjugate acid of an 8-phosphonato-3-deoxy-D-manno-oct-2-ulosonate(3-).
(4R,5R,6R,7R)-4,5,6,7-tetrahydroxy-2-oxo-8-phosphonooxyoctanoic acid