Ethyl Ethyl-6,7,8-Trifluoro-1,4-Dihydro-4-Oxoquinoline-3-Carboxylate Powder from China
Pharmaceutical-grade powder form of this specific quinoline derivative used in API synthesis for antibacterial drugs. Falls under HTS 2933.49.17.00 as a separate chemically defined organic compound with quinoline ring per Chapter 29 notes. The trifluoro and ester groups define its precise classification.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals Annex IV: 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
• Include batch-specific HPLC purity reports (>98% typically required) to confirm identity
• Label with GHS hazard pictograms if applicable due to potential irritancy
• Avoid bulk packaging over 25kg without UN-approved drums for chemical transport