Succinimide from Canada
Succinimide is a five-membered cyclic imide used in pharmaceutical synthesis and as a corrosion inhibitor. Classified under HTS 2924.29.95.00 as an 'other' cyclic amide/imide. Key intermediate for N-bromosuccinimide (NBS) brominating agent.
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
• Declare intended use as reagent vs additive; provide melting point specs (125-128°C); bulk requires proper ventilation labeling