Ketoconazole Base from Canada
Ketoconazole base is an aromatic imidazole derivative classified as a drug under HTS 2933.29.20.00 due to its unfused imidazole ring. Used systemically for fungal infections and hormonal disorders.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.6094%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.900%Articles of aluminum, of steel or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 to this subchapter
Import Tips
• Include bioequivalence data and polymorphic form characterization
• Ensure proper ventilation requirements for handling due to potential hepatotoxicity concerns
• Provide comparative dissolution profiles against reference standards