Ethirimol Active Substance from Canada
Ethirimol is a pyrimidine fungicide used against powdery mildew in apples and ornamentals. This pure heterocyclic compound imported for pesticide manufacturing falls under HTS 2933.59.18.00 per chapter notes for separate organic compounds. It inhibits fungal RNA biosynthesis.
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 IR spectroscopy confirming pyrimidine structure
• File TSCA notifications for new chemical introductions
• Use anti-caking stabilizers only if necessary for transport