2,3,4,6-Tetrachlorophenol from Japan
2,3,4,6-Tetrachlorophenol features four chlorine atoms in asymmetric distribution around the phenolic ring. Meets HTS 2908.19.60.00 'only halogen' criteria as obscure positional isomer. Used in analytical chemistry standards and toxicological studies.
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
• Reference analytical standards require NIST-traceable certificates for CBP verification
• Small package research imports often duty-free under de minimis provisions
• Isomer-specific naming prevents generic 'chlorophenol' undervaluation attempts