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Caffeine Anhydrous Powder from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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