2918.19.90.00/2-Hydroxybutyric Acid/Japan

2-Hydroxybutyric Acid from Japan

This alpha-hydroxy acid contains the required carboxylic-alcohol structure for 2918.19.90.00 classification. Used in polymer synthesis and metabolic studies.

Duty Rate — Japan → United States

23.5%

Rate breakdown

9903.04.6211%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

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Import Tips

• Confirm optical purity if chiral applications to document isomer status

• Provide molecular formula verification (C4H8O3) in COA

• Avoid retail packaging that might trigger chapter 38 classification