P-Quinone Pharmaceutical API from Japan
P-benzoquinone (1,4-benzoquinone) USP grade used in API synthesis for antimalarial and anticancer drugs. HTS 2914.69.21.00 applies as a simple quinone drug compound meeting Chapter 29 purity standards.
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
• Volatile nature requires sealed drum shipping; include vapor pressure safety data
• Yellow needle crystals spec for purity; deviations flag as mixtures
• Hazard class 6.1 poison—full MSDS and UN packaging certification