1-(2,6-Dichlorophenyl)-1H-pyrazole-4-carbaldehyde from Mexico
An aromatic pyrazole compound with a dichlorophenyl substituent and aldehyde functionality, making it a key intermediate for agrochemical synthesis. Classified under HTS 2933.19.37.00 due to its unfused pyrazole ring structure that qualifies under additional U.S. note 3 to section VI for specific aromatic pyrazoles. The heterocyclic nitrogen atoms define its primary classification.
Duty Rate — Mexico → United States
16.5%
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
• Check EPA requirements if used in pesticide synthesis; may require pre-manufacture notice (PMN)
• Label containers with GHS hazard pictograms for aldehyde and chlorinated aromatic compounds
• Confirm structure via NMR or HPLC documentation to validate pyrazole ring classification