Adamantane-1-Carboxylic Acid from Canada
Adamantane-1-carboxylic acid features a diamondoid cage structure with carboxylic acid group, used in pharmaceuticals and materials science. HTS 2916.20.50.00 covers this as an 'other' cyclanic monocarboxylic acid due to its fully saturated polycyclic nature.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6096.3%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 NMR spectra confirming adamantane structure; ensure proper Hazard Class 8 labeling for corrosive acids; declare research vs commercial end-use