Plumbagin (5-Hydroxy-2-methyl-1,4-naphthoquinone) from Japan
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 — Japan → United States
22%
Rate breakdown
9903.04.629.5%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
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
• 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