Clotrimazole API from China
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 — China → United States
28.7%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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
• 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