Methimazole Tablets API from Canada
Methimazole is an imidazole derivative antithyroid drug, a nitrogen heterocyclic compound specifically under HTS 2933.99.90.00 as a drug. It inhibits thyroid hormone synthesis and is imported as active pharmaceutical ingredient.
Duty Rate — Canada → United States
3.7%
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
• Submit FDA IND or ANDA documentation for API import
• Ensure stability data for imidazole degradation during shipping
• Check for tapazole trademark issues affecting generic labeling