is conjugate base of N-acylneuraminic acid carboxylic acid anion N-acylneuraminate 293.075 293.22740 5-alkanamido-3,5-dideoxy-D-glycero-D-galacto-non-2-ulopyranosonate A sialic acid anion arising from deprotonation of the carboxy group of an N-acylneuraminic acid; major species at pH 7.3. C10H15NO9R CHEBI:60073 N-acylneuraminate cation [H][C@]1(OC(O)(C[C@H](O)[C@H]1NC([*])=O)C([O-])=O)[C@H](O)[C@H](O)CO an N-acylneuraminate chebi_ontology sialic acid anion carbohydrate acid derivative anion