Oryzalin and its Impurities

Oryzalin is a selective preemergence surface-applied herbicide used for control of annual grasses and broadleaf weeds in fruit trees, nut trees, vineyards, established bermudagrass turf and established ornamentals. It inhibits the growth of germinating weed seeds. Reference standards of Oryzalin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.