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Synthetic Saxitoxin from Canada

Synthetic saxitoxin is a laboratory-reproduced version of the natural paralytic alkaloid toxin, explicitly covered under HTS 2939.80.0010 as alkaloids reproduced by synthesis. Its chemical structure matches natural saxitoxin, qualifying it as a separate chemically defined organic compound.

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

• Submit synthesis method documentation to distinguish from natural extracts

• Include Material Safety Data Sheet (MSDS) detailing toxicity and handling requirements

• Declare exact quantity in micrograms due to extreme potency; avoid bulk shipments