Acetazolamide from Japan
Acetazolamide is a carbonic anhydrase inhibitor sulfonamide used for glaucoma, altitude sickness, and epilepsy. Its benzothiazole-sulfonamide structure places it in HTS 2935.90.95.00 as an 'Other' sulfonamide.
Duty Rate — Japan → United States
21%
Rate breakdown
9903.04.628.5%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
• Specify Form I/II polymorphs; bioavailability differs
• Bitter taste; formulation stability data required
• Altitude sickness indication needs clinical pharmacology support