Ketoconazole Base
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.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| π¨π³China | 6% | +25.0% | 31% |
| π²π½Mexico | 6% | β | 6% |
| π¨π¦Canada | 6% | β | 6% |
| π©πͺGermany | 6% | β | 6% |
| π―π΅Japan | 6% | β | 6% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing purine ring system
Purine derivatives (including some antifungals) classify under specific heading 2933.52.
If tablets or oral suspensions
Dosage forms containing imidazole drugs classify as finished medicaments.
If chemical intermediate mixture
Mixtures of chemical intermediates may fall under prepared binders per note exclusions.
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Import Tips & Compliance
β’ Include bioequivalence data and polymorphic form characterization
β’ Ensure proper ventilation requirements for handling due to potential hepatotoxicity concerns
β’ Provide comparative dissolution profiles against reference standards
Related Products under HTS 2933.29.20.00
Metronidazole USP
Metronidazole is an aromatic nitroimidazole derivative classified under HTS 2933.29.20.00 as a drug containing an unfused imidazole ring. It is primarily used as an antibiotic for treating anaerobic bacterial and protozoal infections.
Clotrimazole API
Clotrimazole is an aromatic imidazole antifungal agent under HTS 2933.29.20.00 due to its unfused imidazole ring structure. Used in pharmaceutical formulations for topical and oral candidiasis treatment.
Econazole Nitrate BP
Econazole nitrate, an imidazole derivative with aromatic structure, falls under HTS 2933.29.20.00 as a drug substance. It functions as a broad-spectrum antifungal for dermatological applications.
Tioconazole Pharmaceutical Grade
Tioconazole is a synthetic aromatic imidazole drug under HTS 2933.29.20.00, containing an unfused imidazole ring. Primarily used for vaginal candidiasis treatment in pharmaceutical formulations.
Miconazole Nitrate USP
Miconazole nitrate, an imidazole-class antifungal with aromatic structure, is imported under HTS 2933.29.20.00 as a drug substance. Effective against dermatophytes and yeasts in topical applications.
Omoconazole Pharmaceutical Intermediate
Omoconazole is a specialized aromatic imidazole drug substance under HTS 2933.29.20.00, featuring unfused imidazole ring. Developed for advanced antifungal therapies in clinical applications.