The molecule is an omega-hydroxy fatty acid ascaroside obtained by formal condensation of the alcoholic hydroxy group of 5-hydroxy-3-oxopentanoic acid with ascarylopyranose (the alpha anomer). It is an omega-hydroxy fatty acid ascaroside and a 3-oxo monocarboxylic acid. It is a conjugate acid of a bkos#9(1-).
5-[(2R,3R,5R,6S)-3,5-dihydroxy-6-methyloxan-2-yl]oxy-3-oxopentanoic acid