Famotidine from Canada
Famotidine, an H2-receptor antagonist for acid reduction, contains a thiazole ring linked to guanidine functionality. Bulk active pharmaceutical ingredient classifies under HTS 2934.10.90.00 due to predominant unfused thiazole heterocyclic structure. Used in medications like Pepcid.
Duty Rate — Canada → 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
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include FDA Drug Master File (DMF) reference number on import documentation
• Provide polymorphic form analysis if patent-protected crystal structure required
• Ensure GMP certificate from manufacturing site for pharmaceutical grade verification