Lofentanil Oxalate from Mexico
Lofentanil oxalate is a long-acting research fentanyl derivative, chemically defined under HTS 2934.92.00.00. Its structure aligns with chapter 29's heterocyclic provisions for such compounds.
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
• Declare research intent with IRB approvals; secure double-sealed packaging
• Avoid bulk shipments without end-user certificates