Penconazole and its Impurities

Penconazole is a systemic triazole fungicide with preventive and curative properties for the control of powdery mildew. It stops the development of fungi by interfering with the biosynthesis of sterols in cell membranes and is used on grapes, pome and stone fruit, cucurbits and strawberries. Reference standards of Penconazole API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.