Aminophenazone from Canada
Aminophenazone is a derivative of phenazone with an amino group substitution, used in pharmaceutical synthesis. Classified under HTS 2933.11.00.00 due to its status as a phenazone derivative containing the characteristic unfused pyrazole ring. Imported as a high-purity intermediate for analgesic production.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include NMR spectra confirming pyrazole ring integrity; declare DEA watch-list status if applicable; use proper UN packaging for toxic solids during transport