Theophylline Monohydrate from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
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