CAS 126357-59-3

7-Chloro-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid Ethyl Ester Potassium Salt

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CAS: 126357-59-3

Applications 7-Chloro-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid Ethyl Ester Potassium Salt is the unlabelled form of 7-​Chloro-​1-​ethyl-​6-​fluoro-​1,​4-​dihydro-​4-​oxo-3-​quinolinecarboxylic Acid Ethyl Ester (C315510), which is an impurity of Norfloxacin (N681000), an antibacterial agent and a contaminant of emerging concern (CECs). 7-​Chloro-​1-​ethyl-​6-​fluoro-​1,​4-​dihydro-​4-​oxo-3-​quinolinecarboxylic Acid Ethyl-d5 Ester is also an intermediate in the synthesis of Norfloxacin-d5 (N681003).
References Koga, H., et al.: J. Med. Chem., 23, 1358 (1980); Hirai, K., et al.: Antimicrob. Agents Chemother., 19, 188 (1981); Holmes, B., et al.: Drugs, 30, 482 (1985)

Fórmula: C₁₂H₈ClFKNO₃

Cor e Forma: Neat

Peso molecular: 307.75

Ref: TR-C315523