High-Purity Aminomethylphenylpyrazole for Pharma from Mexico
Pharma-grade Aminomethylphenylpyrazole, 99.5% pure, listed under HTS 2933.19.04.00 as aromatic pyrazole with nitrogen hetero-atoms. Intermediate for antiviral drug synthesis. Pure form ensures Chapter 29 applicability over mixtures.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Comply with FDA DMF requirements for pharma intermediates at entry
• Validate GMP sourcing to avoid holds
• Test for heavy metals per pharmacopeia