Benzphetamine Hydrochloride from Canada
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 — Canada → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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