Trichlorfon USP Veterinary Grade from Canada
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 — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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