Theobromine Anhydrous Crystals from Japan
Theobromine is a methylxanthine alkaloid with fused pyrimidine-imidazole rings, used in pharmaceuticals and as a chemical intermediate. Classified under HTS 2933.59.59.00 for its pyrimidine-containing heterocyclic structure as an 'other' drug. Meets chapter notes for separate chemically defined compounds.
Duty Rate — Japan → United States
3.7%
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
• Include CoA verifying anhydrous form and >99% purity to confirm chemical identity under heading 2933
• Label as 'not for direct food use' to prevent misclassification into food additive provisions
• For stabilizer-added forms, document necessity for transport per chapter note 2(f)