2,4-Methylcarboxypyrazolic acid from Japan
Methylcarboxy pyrazolic acid listed in HTS 2933.19.08.00 as aromatic pyrazole derivative. Unfused ring structure qualifies under Chapter 29. Used in fine chemical synthesis.
Duty Rate — Japan → United States
12.5%
Rate breakdown
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
• Carboxylic acid functionality requires pH stability data
• Low solubility demands specialized milling for import form
• Confirm not enzyme inhibitor excluding from Chapter 29