Lofentanil Oxalate from Canada
Lofentanil oxalate is a synthetic opioid analgesic structurally derived from opium alkaloids, used in research settings. Classified in HTS 2939.19.20.00 as 'other synthetic' opium alkaloid salts, it meets chapter 29 requirements for pure chemically defined compounds. Typically imported in small research quantities.
Duty Rate — Canada → 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
• Research imports qualify for lower quotas but require institutional DEA registration
• Include intended use protocol to justify research classification
• Verify oxalate salt form matches import declaration exactly