Aminomethylphenylpyrazole (Phenylmethylaminopyrazole) from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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