Trifluridine Pure Powder from Japan
Trifluridine, a trifluorinated thymidine analog, contains a pyrimidine ring with only nitrogen hetero-atoms, fitting HTS 2933.59.95.00 for other such compounds. This antiviral API is a separate chemically defined organic compound per Chapter 29 notes. Primarily used in eye drop 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
• Provide NMR data verifying nitrogen-only heterocycle to prevent Chapter 29 note exclusions
• Check REACH/ TSCA registration for US import