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

Trichlorfon USP Veterinary Grade from China

Pharmaceutical grade trichlorfon meeting USP standards for veterinary deworming applications in horses and livestock. A chemically defined halogenated organo-phosphorus compound specifically named in HTS 2931.54.00.00. Supplied as purified powder with stabilizer for animal health products.

Duty Rate — China → United States

16.2%

Rate breakdown

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

Import Tips

Include FDA veterinary drug import certification and USP CoA; declare as 'pure trichlorfon USP' not formulated drug

Segregate from agricultural shipments to avoid pesticide scrutiny

Comply with AVMA residue tolerance documentation