Fenproporex Base Powder from China
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 — China → United States
137.5%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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