Ketoconazole Base from Canada
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 — Canada → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Polymorph characterization (Form I vs II) affects bioavailability declaration
• Hepatotoxicity data inclusion recommended for Customs review