Pharmaceutical Grade Niacin USP Powder from Canada
High-purity niacin (vitamin B3) powder meeting USP standards for pharmaceutical applications, used in prescription medications for cholesterol management and pellagra treatment. Classified under HTS 2936.29.1610 as pharmaceutical grade niacin, a chemically defined vitamin derivative unmixed and suitable for drug formulation.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Require Certificate of Analysis (CoA) and USP compliance documentation; ensure GMP manufacturing certification; verify 'pharmaceutical grade' purity (>99%) to avoid reclassification as technical grade