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

Fomepizole API from Canada

Fomepizole is an antidote for ethylene glycol/methanol poisoning, featuring a simple 4-methylpyrazole structure. Classified under HTS 2933.19.4500 as a pyrazole ring drug for emergency medical use. Provided as sterile injectable-grade API.

Duty Rate — Canada → United States

100%

Rate breakdown

9903.04.6096.3%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 emergency use authorization docs and endotoxin testing for injectable API

Ensure CoA specifies 4-methyl-1H-pyrazole identity via NMR/IR spectroscopy

Avoid bulk chemical classification; therapeutic claims trigger drug-specific .4500 subheading

Fomepizole API from Canada — Import Duty Rate | HTS 2933.19.45.00