Pharmaceutical Grade Niacin USP Powder from Mexico
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 — Mexico → United States
0%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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