3,4-Dihydroxybenzoic Acid from China
Protocatechuic acid (3,4-dihydroxybenzoic acid) used in biochemical research and cosmetics. HTS 2918.99.4700 as dihydroxy aromatic carboxylic acid.
Duty Rate — China → United States
112.5%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Biochem grade cert
• Hydroxy position spec
• No enzyme admixtures