Rimegepant API from Canada
Rimegepant is a calcitonin gene-related peptide receptor antagonist used for acute migraine treatment. Its core structure features an aromatic pyrazole ring, qualifying under HTS 2933.19.3500 for pyrazole drugs. Imported as high-purity bulk powder for tablet manufacturing.
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
• Submit FDA IND/NDA documentation verifying pyrazole drug status and GMP manufacturing
• Include stability data and impurity profiles; test for related substances per USP monograph
• Label as 'For Pharmaceutical Use Only' to prevent retail packaging misclassification