The molecule is a carbohydrate acid anion obtained by deprotonation of the carboxy and phospho groups of 3-deoxy-alpha-D-manno-2-octulosonic acid 8-phosphate; major species at pH 7.3. It is a carbohydrate acid derivative anion, a monocarboxylic acid anion and an organophosphate oxoanion. It is a conjugate base of a 3-deoxy-alpha-D-manno-2-octulosonic acid 8-phosphate.
(2R,4R,5R,6R)-2,4,5-trihydroxy-6-[(1R)-1-hydroxy-2-phosphonatooxyethyl]oxane-2-carboxylate