Caffeine Anhydrous Powder from Mexico
Pure caffeine (1,3,7-trimethylxanthine), a purine alkaloid with a fused pyrimidine-imidazole ring system containing nitrogen hetero-atoms only. Classified under 2933.99.8290 as a heterocyclic compound with nitrogen hetero-atoms only, aromatic, not elsewhere specified. Used in pharmaceuticals, energy drinks, and as a chemical intermediate.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide Certificate of Analysis (COA) verifying purity >98% and absence of contaminants
• Comply with FDA food additive regulations if destined for beverage or supplement use
• Label as 'not for direct food use' if technical grade to avoid misclassification issues