Proguanil Hydrochloride from Mexico
Proguanil hydrochloride is an antimalarial biguanide prodrug derived from pyrimidine structures, acting as an anti-infective agent. HTS 2933.59.36.00 covers its aromatic modified form with nitrogen hetero-atoms in the pyrimidine ring system. Qualifies under salts classification with the organic base.
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
• Specify hydrochloride salt in entry docs; ensure no metal coordination; comply with malaria drug import protocols