Benzphetamine Hydrochloride from Mexico
Benzphetamine hydrochloride, the salt of benzfetamine (INN), falls squarely under HTS 2921.46.00.00 for its aromatic monoamine structure. Used as a sympathomimetic amine in pharmaceutical production, it qualifies as a separate chemically defined compound per Chapter 29 notes. Classification remains consistent whether pure or with necessary stabilizers.
Duty Rate — Mexico → United States
110%
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
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Obtain prior approval from FDA's Controlled Substances Import/Export Unit
• Label shipments clearly as 'Bulk Drug Substance - For Pharmaceutical Use Only' to prevent retail misclassification
• Test for chiral purity if importing enantiomer-specific forms like dexamfetamine