Isodrin Chemical Standard from Canada
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 — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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