Furanylfentanyl from Japan
Furanylfentanyl features a furan ring substitution on the fentanyl structure, qualifying as a derivative under HTS 2934.92.00.00. Chapter notes confirm heterocyclic classification.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.04.628.5%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% 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
• Use licensed chemical handlers; provide mass spec confirmation
• Common issue: Mislabeling as non-derivative leads to reclassification