Theobromine Powder from Canada
Theobromine is a methylxanthine alkaloid with fused pyrimidine rings in its purine structure, used in pharmaceuticals and as a chemical intermediate. Classified under HTS 2933.59.70.00 due to its aromatic nature and inclusion in additional U.S. note 3 to section VI. It qualifies as a separate chemically defined heterocyclic compound.
Duty Rate — Canada → 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
• Provide spectroscopic data (NMR, IR) confirming pyrimidine ring structure for CBP verification
• Ensure packaging meets UN standards for chemical transport if in powder form over certain quantities
• Avoid bulk packaging that suggests industrial use, which could trigger reclassification