Metsulfuron-methyl from Canada
Metsulfuron-methyl is a sulfonylurea herbicide for broadleaf weeds and grasses in cereals. This aromatic heterocyclic compound falls under HTS 2934.99.1500 due to its complex heterocyclic ring structure essential for herbicidal activity. Selective action makes it valuable for no-till farming.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6093.5%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
• Provide HPLC analysis confirming metsulfuron-methyl purity and related substance limits
• Include soil persistence and groundwater advisory statements in technical documentation
• Declare as technical grade material (not wettable powder) to avoid Chapter 38 classification