Miconazole Nitrate from Mexico
Miconazole nitrate, an imidazole antifungal, contains unfused imidazole ring as key pharmacophore. The nitrate salt classifies with parent base under HTS 2933.29.90.00 per chapter salt rules.
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
• Counterion analysis confirming nitrate content <15% for proper declaration
• Light-protected packaging required for antifungal stability
• CAS 22832-87-7 specific identification prevents generic chemical classification