O-Ethyl Methylphosphonothioate from Canada
CH3P(O)(SCH2CH3)(OR) featuring P-methyl and P-S-ethyl bonds, where ethyl meets HTS 2931.49.0055 single C2 group allowance. The thioate function keeps it organo-inorganic per chapter notes. Pesticide intermediate.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• EPA registration or TSCA notification required for pesticide-related imports
• Sulfur content analysis prevents 2930 organo-sulfur misclassification
• Odoriferous; proper ventilation markings on shipping documents