2929.90.50.18/N-Ethyl-N-isopropylphosphoramidic dichloride/Japan

N-Ethyl-N-isopropylphosphoramidic dichloride from Japan

This compound features mixed N-ethyl and N-isopropyl dialkyl groups with dichloride, directly under HTS 2929.90.50.18 for specified N,N-dialkyl phosphoramidic dihalides. It acts as a reagent in nucleotide analog synthesis for antiviral drugs. Classification follows Chapter 29's rule for nitrogen-function compounds last in numerical order.

Duty Rate — Japan → United States

6.5%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

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Import Tips

• Ensure labeling specifies exact alkyl groups to match subheading; mismatches lead to 2929.90.50.00 classification

• For air/sea freight, comply with IATA/IMDG corrosive regulations; test for hydrolytic stability