The molecule is an organosulfonate oxoanion that is the conjugate base of 6-deoxy-6-sulfoglucono-1,5-lactone, obtained by deprotonation of the sulfo group; major species at pH 7.3. It is a conjugate base of a 6-deoxy-6-sulfoglucono-1,5-lactone.
[(2S,3S,4S,5R)-3,4,5-trihydroxy-6-oxooxan-2-yl]methanesulfonate