3-Methyl-1-(p-tolyl)-2-pyrazolin-5-one (p-Tolyl Methyl Pyrazolone) from Mexico
This is a specific aromatic pyrazolone derivative with a p-tolyl substituent and methyl group, explicitly listed under HTS 2933.19.04.00 for unfused pyrazole ring compounds. Commonly used as a dye intermediate and pharmaceutical precursor. Its classification stems from the chapter's focus on nitrogen-heterocyclic aromatics with precise pyrazole structures.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide detailed chemical structure diagrams and CAS number confirmation during import declaration
• Watch for anti-dumping duties on dye intermediates from certain origins
• Label with hazard warnings as it's a reactive compound per GHS standards