Benzofuran Sulfonate Pesticide Standard from Mexico
Analytical reference standard of 2-ethoxy-2,3-dihydro-3,3-dimethyl-5-benzofuranylmethanesulfonate at 99% purity for lab calibration in pesticide residue testing. Classified under HTS 2932.99.08.00 as the named aromatic heterocyclic oxygen compound used as pesticide.
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
• Include NIST-traceable certificate for purity; small quantities may qualify for lab exemption but still need TSCA
• Segregate from formulations to maintain Chapter 29 status
• Declare exact CAS number 26225-79-6