Levonordefrin from Canada
Levonordefrin, a synthetic analog related to listed INN compounds under amfetamine derivatives, is covered by HTS 2921.46.00.00. As an aromatic monoamine used in dental anesthetics, it qualifies as a separate organic compound. Chapter notes confirm salts thereof remain in this specific provision.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Provide pharmacopoeial compliance certificates (USP/EP) for dental-grade purity
• Declare end-use as pharmaceutical intermediate to qualify for duty preferences
• Monitor for anti-dumping duties on Chinese-origin sympathomimetic amines