Ketoconazole USP from Canada
Ketoconazole, a synthetic imidazole antifungal drug classified under HTS 2933.29.4500, contains an unfused imidazole ring critical to its mechanism. Used systemically for serious fungal infections and topically for dandruff/seborrheic dermatitis.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include hepatotoxicity risk assessment data; FDA heightened scrutiny post-market withdrawals
• Particle size distribution critical for bioavailability; provide laser diffraction analysis
• Genotoxic impurity limits (<1.5 ppm hydrazine) strictly enforced at entry