The molecule is a dicarboxylic acid monoanion that is the conjugate base of galactaric acid. It has a role as a human metabolite. It is a galactaric acid anion and a dicarboxylic acid monoanion. It is a conjugate base of a galactaric acid. It is a conjugate acid of a galactarate(2-).
(2R,3S,4R,5S)-2,3,4,5,6-pentahydroxy-6-oxohexanoate