Rupatadine Fumarate from China
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 — China → United States
19%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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