</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Zolpidem Tartrate API from Canada

Zolpidem, an imidazopyridine hypnotic, contains non-benzodiazepine heterocyclic nitrogen rings affecting CNS sleep centers. Used for short-term insomnia treatment; bulk tartrate salt form classified as aromatic CNS drug per chapter notes on salts.

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

Document tartrate salt formation per note 3(C)(1); test for related substances; avoid consumer packaging