Pyrimethamine Base from Canada
Pyrimethamine is a diaminopyrimidine antimalarial drug with nitrogen-only heteroatoms. Classified HTS 2933.59.59.00 as pyrimidine ring drug. Pure base form distinguishes from salts.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.6096.3%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
• Malaria drug import requires WHO prequalification documentation
• Stability studies mandatory for tropical climate shipping