Uses
ChemicalBook > CAS DataBase List > ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate

ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate

Uses
Product Name
ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
CAS No.
110548-06-6
Chemical Name
ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
Synonyms
Levofloxacin-11;Levofloacin Impurity 9;Levofloacin Impurity K;Levofloxacin Impurity K;Levofloxacin Impurity 47;(R)-ethyl 9,10-difluoro-3-methyl-;ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate;ethyl (R)-(+)-9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylate;7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-, ethyl ester, (3R)-;Levofloxacin impurity 13/Ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
CBNumber
CB63110771
Molecular Formula
C15H13F2NO4
Formula Weight
309.26
MOL File
110548-06-6.mol
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ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate Property

Melting point:
254-255 °C(Solv: ethanol (64-17-5))
Boiling point:
442.2±45.0 °C(Predicted)
Density 
1.43±0.1 g/cm3(Predicted)
pka
-3.62±0.60(Predicted)
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Hazard and Precautionary Statements (GHS)

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ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate Chemical Properties,Usage,Production

Uses

Levofloxacin impurity K is an impurity reference standard and is also used for drug application testing, etc.

ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate Preparation Products And Raw materials

Raw materials

Preparation Products

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ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate Suppliers

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110548-06-6, ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylateRelated Search:

Levofloxacin Impurity 18 9-Defluoro-9-(4-Methyl-1-piperazinyl) Levofloxacin Levofloxacin Impurity 11 Levofloxacin Acyl-β-D-glucuronide Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate Levofloxacin Impurity 12 Levofloxacin Impurity 16 Levofloxacin Impurity 21 Levofloxacin Impurity 7 Descarboxyl Levofloxacin Levofloxacin Impurity 19 N,N'-Desethylene-N,N'-diforMyl Levofloxacin Levofloxacin DiaMine Levofloxacin N-oxide Levofloxacin Tetrafluoro Impurity 1 Levofloxacin Hydroxy Acid Levofloxacin (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid

  • ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
  • Levofloxacin Impurity K
  • Levofloacin Impurity K
  • ethyl (R)-(+)-9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylate
  • Levofloacin Impurity 9
  • Levofloxacin impurity 13/Ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
  • Levofloxacin-11
  • (R)-ethyl 9,10-difluoro-3-methyl-
  • 7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-, ethyl ester, (3R)-
  • Levofloxacin Impurity 47
  • 110548-06-6