5-Imino-3-methyl-1-phenylpyrazole from Japan

This imino-substituted aromatic pyrazole is specifically enumerated in HTS 2933.19.08.00. Features unfused pyrazole ring with nitrogen hetero-atoms only, per heading requirements. Used in pharmaceutical research and as dye intermediate.

Duty Rate — Japan → United States

15.8%

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

Research chemicals require import permits if DEA scheduled precursors

Verify tautomer form doesn't alter classification from listed imino structure

Lab quantities often need additional FDA/DHS documentation