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
6.5%
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
• 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