Bulk Pentamidine Isethionate Powder from Mexico
Pentamidine isethionate, an aromatic diamidine antiprotozoal for Pneumocystis pneumonia and leishmaniasis. Bulk lyophilized powder mixed with buffers, not retail, classifies in HTS 3003.90.0160.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.860%Universal product exemption (U.S. note 52(b))
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 aerosol vs IV differentiation in import docs
• DEA watch-list compliance for antiparasitic imports
• Bulk-only labeling prevents retail misclassification