Doxylamine Succinate from Canada
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 — Canada → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 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