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

Sufentanil Base from China

Sufentanil is a fentanyl derivative with a thiophene-substituted piperidine ring system incorporating nitrogen hetero-atoms akin to pyridine structures, acting as a potent mu-opioid agonist. Under HTS 2933.34.00.00, it qualifies as an other fentanyl derivative due to its shared chemical scaffold and unfused pyridine-related heterocycle. This organic compound is imported for synthesis into anesthetic formulations.

Duty Rate — China → United States

19%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Verify Schedule II narcotic status with full chemical analysis documentation; label with safety identifiers per chapter note (g) like emetics if required; prevent delays by pre-submitting import declarations to FDA and DEA