Ethyl ethyl-6,7,8-trifluoro-1,4-dihydro-4-oxo-3- quinolinecarboxylate
Heterocyclic compounds with nitrogen hetero-atom(s) only: > Compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused: > Other: > Ethyl ethyl-6,7,8-trifluoro-1,4-dihydro-4-oxo-3- quinolinecarboxylate
Duty Rate (from China)
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Products classified under HTS 2933.49.17.00
Ethyl 6,7,8-Trifluoro-1,4-Dihydro-4-Oxo-3-Quinolinecarboxylate
This is a chemically defined heterocyclic compound containing a quinoline ring system with nitrogen hetero-atom and trifluoro substitutions, specifically matching HTS 2933.49.17.00. It serves as a key intermediate in synthesizing fluoroquinolone antibiotics like norfloxacin. Classified here due to its precise chemical structure as a non-fused quinoline derivative.
Ethyl Ethyl-6,7,8-Trifluoro-1,4-Dihydro-4-Oxoquinoline-3-Carboxylate Powder
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.
6,7,8-Trifluoro-4-Oxo-1,4-Dihydroquinoline-3-Carboxylic Acid Ethyl Ester
Synonym product for the exact compound in HTS 2933.49.17.00, a fluorinated quinolinecarboxylate intermediate. Used in organic synthesis for advanced pharmaceutical intermediates. Classified specifically due to its enumerated chemical name in the tariff schedule.