Triazole from Canada
1H-1,2,4-Triazole is a five-membered heterocyclic compound with three nitrogen atoms, used as a building block for antifungal agents. Classified in HTS 2934.99.90.01 as other heterocyclic compounds.
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
• Include TSCA certification for new chemical import review
• Monitor pH stability (decomposes in strong base) for transport conditions
• Declare exact tautomer form to avoid classification ambiguity