Trimethoprim from Canada
Trimethoprim is a dihydrofolate reductase inhibitor with a pyrimidine ring, used as an anti-infective for urinary tract and respiratory infections, often combined with sulfamethoxazole. It is classified in HTS 2933.59.36.00 as an aromatic anti-infective heterocyclic compound containing nitrogen hetero-atoms only. Meets chapter note (a) for separate chemically defined compounds.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) 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
Import Tips
• Provide DEA documentation if controlled; ensure GMP certification for API; check for impurities to confirm chapter 29 applicability