metamidophos and its Impurities

Methamidophos, trade name is Monitor, it is an organophosphate insecticide. Metamidophos is effective against chewing and sucking insects and is used to control aphids, flea beetles, worms, whiteflies, thrips, cabbage loopers, Colorado potato beetles, potato tubeworms, armyworms, mites, leafhoppers. Reference standards of Metamidophos API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.