Epoprostenol Sodium from Mexico
Epoprostenol sodium (prostacyclin, PGI2) treats pulmonary arterial hypertension via continuous IV infusion. Classified under HTS 2937.50.00.00 as prostaglandin salt following parent compound per Chapter 29 rules. Requires immediate use due to chemical instability.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals: 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
• 24-hour stability clock starts at manufacture; declare exact production date
• Sodium salt classifies with parent prostacyclin; include counterion exchange data