Carfentanil Oxalate from Mexico
Carfentanil oxalate, an extremely potent fentanyl analog used in veterinary medicine, is classified under HTS 2934.92.00.00 as a derivative. Its chemical structure derives directly from fentanyl with modifications for enhanced potency.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.6093.5%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
• Require special veterinary import permits from USDA/DEA; ensure anti-diversion bonds
• Common pitfall: inadequate security protocols during transit causing seizures