N-(2,6-Dichloro-3-methylphenyl)-5-amino-1,3,4-triazole-2-sulfonamide from China
This complex triazole-sulfonamide is a herbicide development intermediate specifically named in HTS 2935.90.13.00. Used in synthesis of experimental sulfonylurea herbicides with enhanced crop selectivity. Research quantities typically imported for agrochemical R&D.
Duty Rate — China → United States
0%
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
• EPA Experimental Use Permit (EUP) required for field testing quantities >10 acres
• Structure confirmation via 1H-NMR and 13C-NMR mandatory for R&D imports
• Small scale exemption (<2.5 acres) from full registration requirements