Allopurinol from Mexico
Allopurinol is a hypoxanthine analog (purine heterocycle) used to treat gout by inhibiting xanthine oxidase. This chemically defined drug compound is properly classified under HTS 2934.99.4700 for other heterocyclic drugs. Its pharmaceutical purity distinguishes it from research chemicals.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include bioequivalence data if generic API; temperature-controlled shipping mandatory; document against 2934.99.12 research chemical misclassification