3-Aminopyrrolidine from Canada
3-Aminopyrrolidine contains both ring nitrogen and exocyclic primary amine, classified under 'other nitrogen function' HTS 2929.90.50.95 as it doesn't fit specific heterocyclic or amine headings. Pharmaceutical intermediate.
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
• Specify enantiomeric purity if chiral; racemic mixtures stay in 2929
• Air-sensitive; recommend inert atmosphere packaging and shipping