Carfentanil Citrate from Mexico
Carfentanil citrate is an extremely potent synthetic opioid used primarily in veterinary medicine for large animal immobilization. It falls under HTS 2939.19.20.00 as a synthetic opium alkaloid derivative, chemically related to fentanyl. Strict controls apply due to its high potency and DEA Schedule II status.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals: patented pharma articles — 100% floor rate
9903.05.860%Universal product exemption (U.S. note 52(b))
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
• Veterinary imports require USDA/APHIS approval in addition to DEA permits
• Use double containment packaging per DEA security requirements
• Limit quantities to approved quotas; excess triggers immediate confiscation