Fenproporex Base Powder from Japan
Pure fenproporex base is the free amine form of this amphetamine-derived nitrile compound, classified under HTS 2926.30.10.00 for its specific INN status. As a separate chemically defined organic compound with a nitrile function, it is imported for synthetic chemistry or pharmaceutical research. It appears as an off-white powder soluble in organic solvents.
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
• Include Safety Data Sheet (SDS) detailing hazards as a CNS stimulant precursor
• Confirm no impurities exceed 0.5% to qualify under chapter note (a)
• Avoid bulk packaging over 1kg without stabilizer to prevent reclassification as a mixture