Anthraquinone-2-Sulfonic Acid Drug Form from Japan
Anthraquinone-2-sulfonic acid serves as a pharmaceutical intermediate for sulfonamide drugs and dyes with therapeutic applications. Under HTS 2914.69.21.00 as a sulfonated quinone drug per Chapter 29 notes on derivatives.
Duty Rate — Japan → United States
22%
Rate breakdown
9903.04.629.5%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
• Sulfonation degree certification needed; Chapter 29 note covers compound sulfonated derivatives
• pH stability docs for aqueous solutions per Chapter note (d)