Triazole Technical Grade from Mexico
1,2,4-Triazole, a five-membered heterocycle with three nitrogen atoms, essential for antifungal drug synthesis like fluconazole. HTS 2933.99.9701 for unspecified nitrogen heterocycles; distinguished from substituted triazoles.
Duty Rate — Mexico → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Provide mass spec confirming 1,2,4-isomer; 1,2,3-isomers may have different subheadings
• Technical grade needs lower purity threshold documentation vs pharma grade
• Avoid over-dilution; exceeds Chapter note (d) limits → 3824