Pharma Grade Tobias Acid USP from Canada
Ultra-pure pharmaceutical grade Tobias acid meeting USP standards for API synthesis. Classified as chemically defined compound under HTS 2921.45.90.10 despite high purity. Trace impurities <50 ppm heavy metals.
Duty Rate — Canada → United States
16.5%
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 USP/EP certificate of analysis with heavy metals <10 ppm and residual solvents data
• FDA prior notice required if ultimate use is pharmaceutical; declare 'technical grade' avoided
• Nitrogen purged packaging mandatory; 1-year shelf life from manufacture