Phenyl carbethoxypyrazolone from Canada
An ester derivative of pyrazolone with a phenyl group and ethoxycarbonyl substituent on the heterocyclic ring. It matches HTS 2933.19.18.00 as a named aromatic pyrazolone compound with unfused pyrazole ring. Serves as a key intermediate in pharmaceutical synthesis, particularly for analgesics.
Duty Rate — Canada → United States
10%
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
• Submit Safety Data Sheet (SDS) detailing ester functionality; test for hydrolysis stability during transport; label correctly to avoid confusion with acid forms