Pyridine-3-Carboxylic Acid (Nicotinic Acid) from Canada
Nicotinic acid, also known as vitamin B3, is a pyridine derivative with a carboxylic acid group at position 3, used as a nutritional supplement and in pharmaceuticals. Classified under HTS 2933.39.92.00 as an 'other' compound containing an unfused pyridine ring per Chapter 29 specifications. Excludes vitamin preparations put up for retail sale.
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
• Provide analytical data confirming pyridine structure and purity >98%; label as 'not for retail sale' to avoid Chapter 30
• Watch for EU REACH compliance on pyridine compounds