2933.59.70.00/Theophylline Monohydrate/Mexico

Theophylline Monohydrate from Mexico

Theophylline monohydrate is a methylxanthine with pyrimidine rings, used in respiratory medications. Classified in HTS 2933.59.70.00 as an aromatic compound per additional U.S. note 3 to section VI. The hydrate form remains a separate chemically defined organic compound.

Duty Rate — Mexico → 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
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Import Tips

• Document water content precisely (monohydrate ~8-9%) to distinguish from anhydrous form

• Comply with DEA precursor chemical reporting if applicable for pharma synthesis

• Provide GMP manufacturing certificates for API-grade imports

Theophylline Monohydrate from Mexico — Import Duty Rate | HTS 2933.59.70.00