Phenazone (Antipyrine) from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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