Doxylamine Succinate USP from Canada
Doxylamine succinate, a sedating antihistamine, features amino-phenol ether structure as succinate salt, imported as pharmaceutical drug API. Fits precise chapter definition for salts of such compounds designated as drugs.
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 succinic acid content; provide chiral purity data
• Pitfall: research vs pharma grade affects duty treatment