Articaine Hydrochloride from Canada
Articaine hydrochloride is a unique thiophene-based amide local anesthetic used primarily in dentistry. It qualifies for HTS 2924.29.71.00 as an aromatic cyclic amide listed in additional U.S. note 3, despite sulfur content not dominating classification. The amide function determines heading placement.
Duty Rate — Canada → United States
110%
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
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include sulfur content analysis to distinguish from heading 2930 organo-sulfur compounds
• Provide dental-specific pharmacodynamic data supporting therapeutic classification
• Declare exact pH range (3.0-3.5) for injection-grade material