Plumbagin (5-Hydroxy-2-methyl-1,4-naphthoquinone) from Canada
Plumbagin is a naturally-derived naphthoquinone with hydroxy and methyl substituents, used in pharmaceutical research for anticancer properties. Classified HTS 2914.69.90.00 as synthetic or purified quinone; oxygen functions define classification.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6094.5%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
• DEA Schedule None; document research-only use to avoid pharma controls
• Include origin certificate if natural extract vs synthetic
• Cytotoxic; handle as UN2811 toxic substance