4'-Aminoacetophenone Hydrochloride from Mexico
4'-Aminoacetophenone hydrochloride is the salt of an amino-ketone, explicitly covered by HTS 2922.39.5000 including salts thereof. The hydrochloride improves handling and solubility for pharmaceutical applications.
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
• Specify acid:base ratio and water content on COA; salts classified with parent compound per Chapter Note (C)(1)
• Avoid generic 'chemical salt' descriptions