1,4-Naphthoquinone USP Grade from Japan
1,4-Naphthoquinone is a quinone compound used in antifungal drugs and as a precursor for vitamin K analogs. It is classified under HTS 2914.69.21.00 as a drug due to its USP pharmaceutical grade and specific medicinal applications per Chapter 29.
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
• USP certificate mandatory; include microbial limits testing for pharma import clearance
• Declare exact isomer purity to comply with Chapter 29 note (b) on mixtures