Doxylamine Succinate from Mexico
Doxylamine succinate, an ethanolamine ether salt, acts as a sedating antihistamine drug with aromatic oxygen-function amino structure. HTS 2922.49.26.00 applies as other aromatic amino-acid salt drug. Chapter 29 numerical order places it here over earlier ether headings.
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
• Verify succinate salt form with NMR/FTIR spectra in docs
• Controlled substance precursor check required
• Declare particle size distribution for bioavailability claims