The molecule is a carbohydrate acid anion that is the conjugate base of 5-dehydro-D-gluconic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a carbohydrate acid anion and a monocarboxylic acid anion. It is a conjugate base of a 5-dehydro-D-gluconic acid.
(2R,3S,4S)-2,3,4,6-tetrahydroxy-5-oxohexanoate