Pentoxifylline API from Mexico
Pentoxifylline is a xanthine derivative used as active pharmaceutical ingredient for circulation disorders, with methylxanthine core fitting 2933 nitrogen heterocycles. U.S. note 3 designated product. Bulk API form excludes finished drugs.
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 DMF reference number and FDA drug master file status
• Include polymorph characterization to prevent patent disputes
• Comply with cGMP requirements for API importation documentation