2935.90.13.00/7-(Hexadecylsulfonylamino)-1H-Indole/Japan

7-(Hexadecylsulfonylamino)-1H-Indole from Japan

7-(Hexadecylsulfonylamino)-1H-indole is a specialty sulfonamide used in pharmaceutical intermediate synthesis and organic electronics research. Specifically enumerated in HTS 2935.90.13.00. Long alkyl chain provides lipophilic properties for membrane transport applications.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• DEA List I chemical watch list; may require import permit if precursor potential

• Custom synthesis documentation required for small volume research imports

• Molecular weight 407.66 confirmation via MS in CoA