Tyramine Hydrochloride from Mexico
Tyramine hydrochloride is the hydrochloride salt of 4-hydroxyphenethylamine, an aromatic amino-alcohol occurring naturally but often synthesized for research. It fits HTS 2922.19.70.00 as other aromatic amino-alcohol salts.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.6093.5%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
• Include food safety certifications if for MAO inhibitor studies
• Specify synthetic origin to avoid alkaloid classification
• Store refrigerated to prevent decarboxylation