3-hydroxyDocosanoicacid is a hydroxylated form of the 22-carbon saturated docosanoicacid . It is found in lipopolysaccharides from C. trachomatis and C. psittaci and in S. synnaedendra. 3-hydroxyDocosanoicacid, in the form of an acyl-CoA metabolite, is an intermediate in fatty acid chain elongation from arachidic acid to docosanoicacid (C22:0).