Clotrimazole API from Canada
Clotrimazole is an imidazole antifungal agent used in pharmaceutical formulations under HTS 2933.29.4500 for its unfused imidazole ring. It inhibits ergosterol synthesis in fungal cell membranes, treating conditions like athlete's foot and yeast infections.
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 GMP certificate from manufacturing site; FDA frequently detains antifungal APIs without it
• Document impurity profiles per ICH guidelines; residual solvents testing often overlooked
• Label clearly as bulk pharmaceutical chemical to prevent classification as consumer product