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Azinphos-methyl Isomer Mixture 99% from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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