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

Carfentanil Citrate from China

Carfentanil citrate, extremely potent fentanyl analog salt named in 2933.33.01.00 with characteristic unfused pyridine ring. Used in veterinary medicine for large animal immobilization.

Duty Rate — China → United States

12.5%

Rate breakdown

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

Import Tips

Veterinary drug import certification needed; highest security level protocols; detailed immobilization protocols must accompany shipment