Diclofenac Sodium from Mexico
Diclofenac sodium salt of 2-(2-(2,6-dichloranilino)phenyl)acetic acid, widely used NSAID. Classified under HTS 2918.99.3000 as aromatic carboxylic acid drug salt per chapter note C(1). Contains chlorine substitution.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.6093.5%Pharmaceuticals: 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
• Quantify sodium content (typically 11-12%) and chloride levels
• Provide XRPD for crystalline Form I confirmation
• Include genotoxic impurity profile