monobenzone and its Impurities

Monobenzone is used as a topical drug for medical depigmentation. It exerts a depigmenting effect on skin of mammals by increasing the excretion of melanin from the melanocytes. It may also cause destruction of melanocytes and permanent depigmentation. Reference standards of Monobenzone API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.