trichlorfon and its Impurities

Metrifonate or trichlorfon is an irreversible organophosphate acetylcholinesterase inhibitor. It is used to control cockroaches, crickets, silverfish, bedbugs, fleas, cattle grubs, flies, ticks, leafminers and leaf-hoppers.Reference standards of Trichlorfon API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.