Isodrin Chemical Standard from Mexico
Isodrin serves as reference standard for analytical chemistry, a chlorinated cyclodiene hydrocarbon derivative. Classified under HTS 2903.89.31.00 for its specific chlorination pattern on cyclanic structure. Used in pesticide residue analysis.
Duty Rate — Mexico → United States
15.5%
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 certificate of analysis specifying >99% purity for reference standard status
• Declare laboratory/research use to qualify for potential duty exemptions
• Package in small quantities (<100g) typical for analytical standards