High Purity 2-Phenylimidazole (99%+) from Mexico
Pharmaceutical-grade 2-Phenylimidazole with purity exceeding 99%, used in antifungal drug synthesis and as a ligand in coordination chemistry. Falls under HTS 2933.29.10.00 due to its aromatic imidazole structure with phenyl substitution. Meets chapter requirements for separate chemically defined compounds.
Duty Rate — Mexico → United States
15.8%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify USP/EP compliance certificates for pharmaceutical intermediates to expedite FDA-related customs review
• Declare exact purity levels and impurity profiles to prevent reclassification as technical grade chemicals
• Use temperature-controlled shipping for stability, avoiding degradation that could trigger quality disputes