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%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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