The molecule is an organophosphate oxoanion that is the dianion of D-arabinose 5-phosphate arising from deprotonation of both phosphate OH groups; major species at pH 7.3. It has a role as an Escherichia coli metabolite. It is a conjugate base of an aldehydo-D-arabinose 5-phosphate.
[(2R,3R,4S)-2,3,4-trihydroxy-5-oxopentyl] phosphate