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
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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