High Purity 3-Amino-1,2,4-triazole (99.5%) from Mexico
Ultra-high purity grade of 3-Amino-1,2,4-triazole suitable for pharmaceutical API synthesis, meeting USP standards. Falls under HTS 2933.99.85.00 due to its specific chemical identity as a nitrogen-heterocyclic compound.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.6096.3%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Submit GMP certificate and batch analysis proving ≥99% purity to avoid reclassification as 'other' under 2933.99.97
• Comply with FDA import alerts for chemical intermediates destined for drug manufacturing
• Use nitrogen-purged containers to prevent oxidation during ocean transit