Allopurinol from Japan
Allopurinol is a xanthine oxidase inhibitor with purine-like triazole ring structure, used to treat gout and hyperuricemia. This aromatic heterocyclic compound is classified as a drug under HTS 2934.99.30.00 due to its pharmaceutical therapeutic applications.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.04.628.5%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% 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
• Certify compliance with USP/EP monographs for pharmacopeial grade specifications
• Declare particle size distribution data important for tablet formulation consistency
• Provide polymorphism characterization since crystal form affects bioavailability