7-​Chloro-​1-​ethyl-​6-​fluoro-​1,​4-​dihydro-​4-​oxo-3-​quinolinecarboxylic Acid Ethyl-d5 Ester

CAS: 70458-94-5

Ref. TR-C315512

Product Information

• Name: 7-​Chloro-​1-​ethyl-​6-​fluoro-​1,​4-​dihydro-​4-​oxo-3-​quinolinecarboxylic Acid Ethyl-d5 Ester
• Synonyms: Norfloxacin-d5 Impurity 5

Description

Applications 7-​Chloro-​1-​ethyl-​6-​fluoro-​1,​4-​dihydro-​4-​oxo-3-​quinolinecarboxylic Acid Ethyl-d5 Ester 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)

• Brand: TRC

Chemical properties

• Molecular weight: 302.74
• Formula: C₁₄D₅H₈ClFNO₃
• Color/Form: Neat
• InChI: InChI=1S/C14H13ClFNO3/c1-3-17-7-9(14(19)20-4-2)13(18)8-5-11(16)10(15)6-12(8)17/h5-7H,3-4H2,1-2H3/i1D3,3D2
• InChI key: InChIKey=NGBZZCXZVDYZQK-WNWXXORZSA-N
• SMILES: [2H]C([2H])([2H])C([2H])([2H])n1cc(C(=O)OCC)c(=O)c2cc(F)c(Cl)cc21