Modified Aromatic Antiemetic Ondansetron Hydrochloride from Japan
Ondansetron HCl is a serotonin 5-HT3 receptor antagonist with carbazole aromatic structure for nausea prevention. Falls under 2942.00.05.00 as modified aromatic drug API. Meets separate chemically defined compound criteria.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.04.628.5%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% 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
• Hydrochloride salt follows base per Note 5(C)(1)
• Light-sensitive; provide photostability data for transport
• Confirm excludes Chapter 30 veterinary exclusions