Description General description Isoproturon is a phenylurea herbicide used to control ryegrass, silky bentgrass, and broadleaf species in spring and winter wheat. Application Isoproturon may be used as a reference standard for the determination of isoproturon in crops using high performance liquid chromatography (HPLC) with fluorescence detection combined with UV decomposition and post-column derivatization. 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