clopyralid and its Impurities

Clopyralid is used for control of broadleaf weeds, especially thistles and clovers. Clopyralid is a selective herbicide. Clopyralid is known for its ability to persist in dead plants and compost. Reference standards of Clopyralid API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.