Pyrimethamine from Mexico
Pyrimethamine is an antifolate drug with a pyrimidine ring, used for malaria prophylaxis and toxoplasmosis treatment as an anti-infective agent. HTS 2933.59.36.00 applies to its aromatic heterocyclic structure with nitrogen hetero-atoms, aligning with chapter notes for drugs. It is imported as a bulk active pharmaceutical ingredient.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.6093.5%Pharmaceuticals: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Comply with WHO prequalified supplier lists; include stability data for transport; avoid anti-dusting agents that alter general use per note (g)