Description General description Propaquizafop is an aryloxyphenoxypropionate herbicide primarily used for post emergence control of weeds in agricultural products. Its mode of action involves inhibition of the plastid acetyl coenzyme A carboxylase (ACCase), a key enzyme in fatty acid biosynthesis. Application Propaquizafop may be used as a reference standard for the determination of the pesticide: • In honeybee samples by liquid and gas chromatography coupled with tandem mass spectrometry with multiple-reaction monitoring. • In groundwater and surface water samples by direct injection-liquid chromatography–electrospray ionization-tandem mass spectrometry with multiple-reaction monitoring. 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