Phenazone (Antipyrine) from Canada
Phenazone, also known as antipyrine, is a pyrazolone derivative used historically as an analgesic and antipyretic. It falls under HTS 2933.11.00.00 as a specific heterocyclic compound containing an unfused pyrazole ring. This chemically defined organic compound is imported in pure form for pharmaceutical manufacturing.
Duty Rate — Canada → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Provide detailed chemical analysis certificates confirming pyrazole structure; ensure COA verifies purity >99% to avoid reclassification; comply with FDA import alerts for drug precursors