Aminomethylphenylpyrazole (Phenylmethylaminopyrazole) from Mexico
Aminomethylphenylpyrazole is a chemically defined aromatic heterocyclic compound containing an unfused pyrazole ring with nitrogen hetero-atoms, specifically named in HTS 2933.19.04.00. It serves as a key intermediate in pharmaceutical synthesis and agrochemical production. This classification applies due to its precise chemical structure matching the heading for aromatic pyrazole derivatives.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Verify chemical purity certificates to meet Chapter 29 requirements for chemically defined compounds; ensure SDS and CoA documentation for customs clearance
• Avoid misclassification by confirming unfused pyrazole structure via lab analysis
• Package with stabilizers only if necessary for transport per chapter notes