Allopurinol from Japan
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 — Japan → United States
23.8%
Rate breakdown
9903.04.6211.3%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include bioequivalence data if generic API; temperature-controlled shipping mandatory; document against 2934.99.12 research chemical misclassification