The molecule is a D-glucuronic acid in cyclic pyranose form. It has a role as an algal metabolite. It is a conjugate acid of a D-glucopyranuronate. It is an enantiomer of a L-glucopyranuronic acid.
(2S,3S,4S,5R)-3,4,5,6-tetrahydroxyoxane-2-carboxylic acid