</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Sufentanil Citrate from Japan

Sufentanil citrate is a potent fentanyl derivative used as an analgesic in surgical procedures, falling under HTS 2934.92.00.00 as a chemically defined other fentanyl. Its structure modifies the fentanyl base with a thiophene ring, qualifying it within this chapter's heterocyclic compounds.

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

File DEA Form 236 for narcotic imports and ensure chain-of-custody documentation; label as hazardous material per DOT

Avoid common pitfalls like missing impurity analysis which triggers CBP holds