Idoxuridine Crystals from Japan
Idoxuridine is an iodinated pyrimidine nucleoside antiviral, with aromatic modified structure. HTS 2933.59.80.00 covers this halogenated heterocyclic per chapter notes on derivatives. Used in ophthalmic and topical formulations.
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
• ,CAS 54-42-2 declaration confirms pyrimidine classification over nucleoside 2934
• Small volume imports common; watch minimum quantity thresholds for pharma chemicals