Iloprost from Canada
Iloprost is a stable prostacyclin analogue (PGI2) used for pulmonary hypertension. Falls under HTS 2937.50.00.00 as a prostaglandin structural analogue with hormonal vasodilatory effects. Modified double bond structure maintains classification.
Duty Rate — Canada → 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
• Confirm (R)-configuration at C-20 via chiral HPLC; stereochemistry critical
• Inhalation grade requires particle size distribution validation
• Distinguish from epoprostenol (unstable PGI2) via stability comparison