Doxylamine Succinate from Canada
Doxylamine succinate, an ethanolamine antihistamine, primarily treats nausea in pregnancy and insomnia. Its pyrimidine-containing structure fits HTS 2933.59.21.00 for anti-nauseant aromatic drugs. Qualifies as chemically defined salt per chapter notes.
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
• Succinate salt follows acid classification per note C(2); include dissolution stability
• Pitfall: pregnancy-specific claims may trigger FDA review
• Bulk drums must be UN-approved