1-Benzyl-3,5-dimethyl-1H-pyrazole from Mexico
An N-benzyl substituted dimethylpyrazole that is aromatic and listed under additional U.S. note 3 to section VI, hence HTS 2933.19.37.00. This ligand precursor for coordination chemistry maintains pyrazole as principal characteristic.
Duty Rate — Mexico → United States
16.5%
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
• Include synthetic route documentation to prove pyrazole ring integrity
• Declare as research chemical if <1kg to potentially qualify for duty exemptions
• Monitor for solvent residues that could invoke chapter note (e) reclassification