2933.59.59.00/Theobromine Anhydrous Crystals/Japan

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

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%

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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)