3-Methyl-1-phenyl-1H-pyrazole-5-carboxylic acid from Japan
This is an aromatic pyrazole derivative featuring a pyrazole ring substituted with a phenyl group and a carboxylic acid function at the 5-position. It falls under HTS 2933.19.37.00 as a chemically defined heterocyclic compound containing an unfused pyrazole ring that is aromatic or modified aromatic, specifically listed in additional U.S. note 3 to section VI. Such compounds are typically used as intermediates in pharmaceutical synthesis.
Duty Rate — Japan → United States
Rate breakdown
Import Tips
• Obtain proper chemical safety data sheets (SDS) and ensure compliance with TSCA registration for new chemical substances
• Verify the exact CAS number matches import documentation to avoid misclassification under general pyrazole headings
• Include certificates of analysis confirming purity and aromatic structure to meet additional U.S. note 3 requirements