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6-Acetamidohexanoic Acid from Japan

6-Acetamidohexanoic acid is an aromatic-modified lactam derivative used as a chemical intermediate in pharmaceutical synthesis. It falls under HTS 2933.79.08.00 as a heterocyclic compound with nitrogen hetero-atom in lactam form, specifically listed in additional U.S. note 3 to section VI for certain regulated organic compounds.

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%

Import Tips

Verify inclusion in additional U.S. note 3 to section VI and obtain necessary chemical certifications

Provide detailed purity analysis and CAS number on commercial invoice to avoid reclassification

Check for DEA scheduling if used in controlled substance production; include end-use statements