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2934.99.44.00/Xanthine/Japan

Xanthine from Japan

Xanthine is a purine base and key intermediate in caffeine and theophylline biosynthesis. Classified under HTS 2934.99.44.00 as an aromatic heterocyclic compound. Pharmaceutical precursor for bronchodilators and stimulants.

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

• GMP certificate recommended for pharma intermediate import

• Solubility data required to distinguish from nucleic acid salts

• Monitor DEA precursor chemical regulations

Xanthine from Japan — Import Duty Rate | HTS 2934.99.44.00