Azinphos-methyl Isomer Mixture 99% from Canada
Azinphos-methyl isomer mixture 99% consists of stereoisomers of this nitrogen-heterocyclic compound, explicitly covered under HTS 2933.92.00.00 per Chapter 29 Note 1(b). Used in research for comparative toxicology studies.
Duty Rate — Canada → United States
10%
Rate breakdown
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
• Specify isomer ratio in commercial invoice to confirm Chapter 29 Note 1(b) applicability
• Use amber glass vials with inert gas blanketing for light- and air-sensitive imports
• Obtain institutional review if destined for university pesticide research programs