Ibuprofencarboxylicacid is a major metabolite of ibuprofen . It prevents fructose-, cyanate-, and prednisolone-induced inactivation of catalase and fructose- and cyanate-induced inactivation of fumarase when used at a concentration of 2 mM and penetrates into the lens of isolated bovine eyes. Ibuprofencarboxylicacid has been found in bank filtrate and surface water, as well as influent and effluent wastewater, and is considered a micropollutant.