Diflunisal from Canada
Difluoro derivative of salicylic acid, NSAID active with phenol function. HTS 2918.29.65.00 per U.S. note 3 for halogenated phenolic acids.
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
• Fluorine substitution confirmed by NMR