Doxylamine Succinate Powder from Mexico
Doxylamine succinate, an ethanolamine antihistamine with pyridine ring, is classified under HTS 2933.99.90.00 as a heterocyclic drug. Bulk imported for sleep aids like Unisom and allergy medications.
Duty Rate — Mexico → 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
• Validate succinic acid salt stoichiometry in COA
• Provide drowsiness warning label compliance documentation
• Check for OTC monograph deviations requiring FDA approval