Rupatadine Fumarate from Mexico
Rupatadine fumarate is a dual antihistamine/PAF antagonist with nitrogen-heterocyclic and aromatic components. It qualifies as an antihistamine drug under HTS 2933.99.26.00 per chapter notes on salts.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Classify fumarate salt with the organic base per chapter note on salts
• Provide counterion balance analysis for salt stoichiometry
• Ensure polymorphic form consistency with DMF specifications