Cilostazol from Canada
Cilostazol is a quinolinone phosphodiesterase III inhibitor used for intermittent claudication in peripheral artery disease. Its nitrogen-heterocyclic structure qualifies under HTS 2933.99.53.00 as cardiovascular drug. Bulk powder for 50/100mg tablet production.
Duty Rate — Canada → 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
• Poor solubility - laser diffraction PSD critical for BE
• Quinolinone photo-degradation risk - amber packaging mandatory
• CYP3A4 inhibitor - include drug interaction dossier