High Purity 3-Amino-1,2,4-triazole (99.5%) from China
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 — China → United States
112.5%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
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