Quinidine Sulfate from Japan

Quinidine sulfate is a cinchona alkaloid derivative containing a quinoline ring system, used primarily as an antiarrhythmic drug for treating heart rhythm disorders. It falls under HTS 2933.49.26.00 as a quinoline-based heterocyclic compound classified as a drug, not elsewhere specified. This pure chemical form is imported for pharmaceutical manufacturing or compounding.

Duty Rate — Japan → United States

15%

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

9903.05.900%Articles of aluminum, of steel or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 to this subchapter

Calculate with your customs value Verify with the Tariff Assistant

Import Tips

• Provide certificates of analysis confirming purity and quinoline structure to avoid reclassification under Chapter 30 finished pharmaceuticals

• Ensure DEA registration if importing quantities subject to controlled substance regulations, as quinidine is a Schedule IV drug

• Label shipments clearly as 'pharmaceutical reference standard' to prevent customs confusion with finished dosage forms