Caffeine Anhydrous USP from Japan
Caffeine anhydrous is a purine alkaloid featuring pyrimidine rings, used in pharmaceuticals, energy products, and as a chemical standard. It is covered by HTS 2933.59.70.00 as an aromatic heterocyclic compound described in additional U.S. note 3 to section VI. The classification reflects its chemically defined structure.
Duty Rate — Japan → United States
6.5%
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
• Submit USP certificate and batch analysis to confirm anhydrous form and purity above 99%
• Declare exact CAS number (58-08-2) on entry docs to match note 3 specifications
• Watch for contamination claims; test for heavy metals per pharmacopeia standards pre-shipment