4-Hydroxyphenylglyoxylic Acid from Japan
4-Hydroxyphenylglyoxylic acid contains an aromatic ring with hydroxy and alpha-keto acid (glyoxylic) functions, fitting ketone with additional oxygen. HTS 2918.30.3000 covers this as 'other' aromatic derivative. Used in fine chemical manufacturing.
Duty Rate — Japan → United States
21%
Rate breakdown
9903.04.628.5%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
• Provide acid value and functional group analysis to confirm carboxylic-ketone priority
• Exclude from Chapter 29 if dissolved for specific use beyond transport, per note (e)
• Verify no enzyme activity, excluded to 3507