2-(2-Aminophenyl)-2-oxoacetic Acid from Canada
This amino-keto acid contains both ketone and carboxylic acid functions but classifies under HTS 2922.39.5000 per Chapter Note 4(A) prioritizing later numerical heading for esters/acids. Used in pharmaceutical synthesis.
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
• Multi-function compounds require detailed structural analysis; cite Chapter 29 Note 4(A)
• Carboxylic acid handling precautions mandatory