Clemastine Fumarate from Mexico
Clemastine fumarate is a second-generation antihistamine with anti-nauseant applications in allergy treatment. Modified aromatic heterocyclic structure under HTS 2933.59.21.00. Fits chapter for drugs with nitrogen hetero-atoms.
Duty Rate — Mexico → 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
• Fumarate salt per note C; HPLC purity cert needed
• Pitfall: brightening agent additives exclude to 3204
• GMP sourcing prevents detentions