Chloroquine Phosphate USP from China
Chloroquine phosphate is a 4-aminoquinoline compound used for malaria prophylaxis and treatment, featuring a quinoline ring with chlorine substitution. It qualifies for HTS 2933.49.70.00 as a heterocyclic nitrogen compound with quinoline structure, imported as pure API for drug formulation. Halogenated quinoline derivatives are included per chapter notes.
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
• FDA DMF registration required for APIs; provide impurity profile showing quinoline purity >99%
• Declare phosphate salt formation explicitly; customs applies Chapter 29 note (C) for organic salts
• Avoid pitfall of bulk packaging resembling finished drugs; use industrial drums, not consumer packs