2,4-Methylcarboxypyrazolic acid from Canada
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 — Canada → United States
15.8%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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