Caffeine Anhydrous Powder from Japan
Pure caffeine (1,3,7-trimethylxanthine), a purine alkaloid with a fused pyrimidine-imidazole nitrogen heterocyclic ring system, used in pharmaceuticals and energy supplements. Classified under HTS 2933.99.9701 as a heterocyclic compound with nitrogen hetero-atoms only, not elsewhere specified in heading 2933. Meets Chapter 29 note for separate chemically defined organic compounds.
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 confirming >98% purity and absence of isomers to avoid reclassification under mixtures note (b)
• Ensure USP/EP pharmacopeia compliance for FDA import; common pitfall is missing stability data for anhydrous form
• Declare exact caffeine content per kg; anti-dumping duties may apply from certain origins