4-Nitro-1-phenyl-1H-pyrazole from Canada
A nitro-substituted aromatic pyrazole with unfused ring structure, falling under HTS 2933.19.37.00 as specified in additional U.S. note 3 to section VI. Nitro groups on pyrazoles are classified with the parent heterocycle per chapter notes, used in dye and pharmaceutical applications.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Nitro compounds require DOT hazardous material shipping papers for Class 4.1 oxidizer risk
• Provide reference to additional U.S. note 3 in commercial invoice for CBP verification
• Avoid anti-dusting agents that could trigger reclassification under chapter note (g)