Aspirin Meglumine Salt from Mexico
Meglumine (N-methylglucamine) salt of O-acetylsalicylic acid for contrast media stabilization. Falls under 2918.22.5000 as sugar-amine salt classified with parent acid per chapter ester/salt rules.
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
• Provide optical rotation for D-meglumine purity; test glucamine degradation products; declare exact water content for accurate duty weight