Ketoconazole Base from Mexico
Ketoconazole contains unfused imidazole ring as part of its broad-spectrum antifungal structure. Classifies as bulk API under HTS 2933.29.90.00 for other imidazole compounds.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6093.5%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
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Polymorph characterization (Form I vs II) affects bioavailability declaration
• Hepatotoxicity data inclusion recommended for Customs review