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
100%
Rate breakdown
9903.04.6093.5%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Declare intended use as reagent vs additive; provide melting point specs (125-128°C); bulk requires proper ventilation labeling