Bicyclo[2.2.1]heptane-2-Carboxylic Acid from Canada
Bicyclo[2.2.1]heptane-2-carboxylic acid is a norbornane derivative used in asymmetric synthesis. HTS 2916.20.50.00 covers this complex cyclanic monocarboxylic acid as 'other'.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.6096.3%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
• Include stereochemistry specification in documentation; chiral acids may require additional FDA filings; verify bridgehead carbon positioning