Trifluralin Impurity Standard (Metabolite) from Mexico
Certified reference material of trifluralin primary metabolite for LC/MS impurity profiling. Chemically N-Ethyl-N-(2-methyl-2-propenyl)-2,6-dinitro-4-(trifluoromethyl)benzenamine derivative qualifying under HTS 2921.43.22.00. Used in environmental monitoring and formulation QC.
Duty Rate — Mexico → United States
16.5%
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
• Specify 'impurity standard' on invoice; provide chromatogram with retention time data; store and ship refrigerated (<8°C)