Isodrin Chemical Standard from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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