The molecule is a monocarboxylic acid anion resulting from deprotonation of the carboxy group of 2-carboxy-D-arabinitol; major species at pH 7.3. It is a carbohydrate acid derivative anion and a monocarboxylic acid anion. It is a conjugate base of a 2-carboxy-D-arabinitol.
(2R,3R,4R)-2,3,4,5-tetrahydroxy-2-(hydroxymethyl)pentanoate