Ketoconazole Base from Japan
Ketoconazole base is an aromatic imidazole derivative classified as a drug under HTS 2933.29.20.00 due to its unfused imidazole ring. Used systemically for fungal infections and hormonal disorders.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.04.629%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
• Include bioequivalence data and polymorphic form characterization
• Ensure proper ventilation requirements for handling due to potential hepatotoxicity concerns
• Provide comparative dissolution profiles against reference standards