Description General description Cumyluron is a urea analog, which is commonly used as a herbicide for the control of weeds in rice crop. Application Cumyluron may be used as an analytical reference standard for the quantification of the analyte in agricultural products using liquid chromatography coupled to mass spectrometry. Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support. Legal Information PESTANAL is a registered trademark of Sigma-Aldrich International GmbH