A broad-spectrum antibiotic, which shows its action against both gram-positive and gram-negative strains. Levofloxacin is a bactericidal antibiotic and used in treating several infections. It is a levo isomer of the racemate ofloxacin. Reference standards of Levofloxacin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
Levofloxacin
Catalogue No.:PA 12 13000
CAS :
Molecular Formula : C18H20FN3O4
Molecular Weight : 361.37
(3R)-9-Fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1, 4-benzoxazine-6-carboxylic Acid
Catalogue No.:PA 12 13010
(3S)-9-Fluoro-3-methyl-7-oxo-10-(piperazin-1-yl)-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4- benzoxazine-6-carboxylic Acid
Catalogue No.:PA 12 13020
Molecular Formula : C17H18FN3O4
Molecular Weight : 347.34
Levofloxacin N-Oxide
Catalogue No.:PA 12 13030
Molecular Formula : C18H20FN3O5
Molecular Weight : 377.38
(3S)-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4- benzoxazine-6-carboxylic Acid
Catalogue No.:PA 12 13040
Molecular Formula : C18H21N3O4
Molecular Weight : 343.38
(3S)-9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazin-7-one
Catalogue No.:PA 12 13050
Molecular Formula : C17H20FN3O2
Molecular Weight : 317.36
(3S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid
Catalogue No.:PA 12 13060
Molecular Formula : C13H9F2NO4
Molecular Weight : 281.21
N,N'-Desethylene-N,N'-diformyl Levofloxacin
Catalogue No.:PA 12 13510
Molecular Formula : C18H18FN3O6
Molecular Weight : 391.35
N,N'-Desethylene Levofloxacin
Catalogue No.:PA 12 13520
Molecular Formula : C16H18FN3O4
Molecular Weight : 335.33
Levofloxacin Ethyl Ester
Catalogue No.:PA 12 13530
Molecular Formula : C20H24FN3O4
Molecular Weight : 389.42
9-Piperazine Levofloxacin
Catalogue No.:PA 12 13540
Molecular Weight : 361.38
N-tert-Butoxycarbonyl Desmethyl Levofloxacin
Catalogue No.:PA 12 13550
Molecular Formula : C22H26FN3O6
Molecular Weight : 447.46
N,N'-Desethylene Levofloxacin Hydrochloride
Catalogue No.:PA 12 13560
Molecular Formula : C16H19ClFN3O4
Molecular Weight : 371.79
Levofloxacin Diamine Hydrochloride Salt
Catalogue No.:PA 12 13570
Molecular Formula : C15H17ClFN3O4
Molecular Weight : 357.76
(3S)-10-(4-Ethyl-1-piperazinyl)-9-fluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid
Catalogue No.:PA 12 13580
Molecular Formula : C19H22FN3O4
Molecular Weight : 375.39
Levofloxacin Chloromethyl Ester
Catalogue No.:PA 12 13590
Molecular Formula : C19H21ClFN3O4
Molecular Weight : 409.84
(3S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid Ethyl Ester
Catalogue No.:PA 12 13600
Molecular Formula : C15H13F2NO4
Molecular Weight : 309.26
(S)-7,8-Difluoro-3-methyl-3,4-dihydro-2H-benzo[b][1,4]oxazine Sulfate
Catalogue No.:PA 12 13610
Molecular Formula : C9H11F2NO5S
Molecular Weight : 283.25
Ethyl 3-(N,N-dimethyl amino)-2-(2,3,4,5-tetrafluorobenzoyl) Acrylate
Catalogue No.:PA 12 13620
Molecular Formula : C14H13F4NO3
Molecular Weight : 319.25
Ethyl (2Z)-(3-(1-hydroxy-2-propanyl)amino)-2-(2,3,4,5-tetrafluorobenzoyl) Acrylate
Catalogue No.:PA 12 13630
Molecular Formula : C15H15F4NO4
Molecular Weight : 349.28
(Z)-Ethyl 3-(dimethylamino)-2-(2,4,5-trifluoro-3-methoxybenzoyl)acrylate
Catalogue No.:PA 12 13640
Molecular Formula : C15H16F3NO4
Molecular Weight : 331.29
Levofloxacin Diamine
Catalogue No.:PA 12 13650
Molecular Formula : C15H16FN3O4
Molecular Weight : 321.3
Defluoro Levofloxacin-d3
Catalogue No.:PA STI 025020
Molecular Formula : C18H18D3N3O4
Molecular Weight : 346.40
N,N'-Desethylene-N,N'-diformyl Levofloxacin-d3
Catalogue No.:PA STI 027380
Molecular Formula : C18H15D3FN3O6
Molecular Weight : 394.37
Desmethyl Levofloxacin-d8 Hydrochloride
Catalogue No.:PA STI 028400
Molecular Formula : C17H11D8ClFN3O4
Molecular Weight : 391.85
Levofloxacin-d8
Catalogue No.:PA STI 056480
Molecular Formula : C18H12D8FN3O4
Molecular Weight : 369.42
Levofloxacin-d3
Catalogue No.:PA STI 056481
Molecular Formula : C18H17D3FN3O4
Molecular Weight : 364.39
Levofloxacin-d8 Acyl-β-D-glucuronide
Catalogue No.:PA STI 056490
Molecular Formula : C24H20D8FN3O10
Molecular Weight : 545.54
Potassium (S)-9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
Catalogue No.:PAI 12 003010
Molecular Formula : C18H19FKN3O4
Molecular Weight : 399.50
Desmethyl Levofloxacin Hydrochloride
Catalogue No.:PA 12 13021
Molecular Formula : C17H19ClFN3O4
Molecular Weight : 383.8
Ethyl (3R)-9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
Catalogue No.:PA 12 13080
Molecular Weight : 389.43
9-fluoro-10-(4-(2-hydroxyethyl)-4-methylpiperazin-1-ium-1-yl)-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
Catalogue No.:PA 12 13660
Molecular Formula : C20H24FN3O5
Molecular Weight : 405.43
(3R)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-4-oxido-1-Piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-Benzoxazine-6-Varboxylic Acid
Catalogue No.:PA 12 13680
Molecular Weight : 377.37
2,3,5-trifluoro-4-(4-methyl-1-piperazinyl)-β-oxo-benzenepropanoic Acid
Catalogue No.:PA 12 13670
Molecular Formula : C16H19F3N2O3
Molecular Weight : 344.33
(3S)-9,10-difluoro-3-methyl-7-oxo-2,3,6,7-tetrahydro-5H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic Acid
Catalogue No.:PA 12 13690
Molecular Formula : C13H11F2NO4
Molecular Weight : 283.23
(3S)-9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazin-7-one Hydrochloride Salt
Catalogue No.:PA 12 13051
Molecular Formula : C17H21ClFN3O2
Molecular Weight : 353.82
Levofloxacin Hydroxy Acid
Catalogue No.:PA 12 0131000
Molecular Formula : C18H21F2N3O4
Molecular Weight : 381.38
5-Methyl-2-nitrophenol
Catalogue No.:PA 12 0131001
Molecular Formula : C7H7NO3
Molecular Weight : 153.14
(3S)-10-Fluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid
Catalogue No.:PA 12 0131002
Molecular Formula : C13H10FNO4
Molecular Weight : 263.22
2,3,4,5-Tetrafluoro-α-[[[(1S)-2-hydroxy-1-methylethyl]amino]methylene]-β-oxo-benzenepropanoic Acid Ethyl Ester
Catalogue No.:PA 12 0131003
Ethyl (S)-8-amino-10-fluoro-3-methyl-9-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
Catalogue No.:PAI 12 003011
Molecular Formula : C20H25FN4O4
Molecular Weight : 404.44
Ethyl (S)-10-fluoro-3-methyl-9-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
Catalogue No.:PAI 12 003012
Ethyl (3S)-9,10-difluoro-2,3-dihydro-3-methyl-8-nitro-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate
Catalogue No.:PAI 12 003013
Molecular Formula : C15H12F2N2O6
Molecular Weight : 354.27
Ethyl (S)-10-fluoro-3-methyl-9-(4-methylpiperazin-1-yl)-8-nitro-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
Catalogue No.:PAI 12 003014
Molecular Formula : C20H23FN4O6
Molecular Weight : 434.42
Ethyl (E)-3-(dimethylamino)-2-(2,4,5-trifluoro-3-methoxybenzoyl)acrylate
Catalogue No.:PA 12 0131004
(S)-3-Methyl-10-(4-methylpiperazin-1-yl)-9-(methylthio)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic Acid
Catalogue No.:PAI 12 003015
Molecular Formula : C19H23N3O4S
Molecular Weight : 389.47
Levofloxacin-13C-D3
Catalogue No.:PA STI 089116
Molecular Formula : C1713CH17D3FN3O4
Molecular Weight : 365.38
(S)-9-Fluoro-3-methyl-10-(4-nitrosopiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic Acid
Catalogue No.:PA 12 0131005
Molecular Formula : C17H17FN4O5
Molecular Weight : 376.34
(S)-10-((2-Aminoethyl)(nitroso)amino)-9-fluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid Hydrochloride
Catalogue No.:PA 12 0131006
Molecular Formula : C15H16ClFN4O5
Molecular Weight : 386.76
Levofloxacin Impurity A (IMPL028)
Catalogue No.:PA IMPL028
Molecular Formula : NA
Molecular Weight : NA
Ethyl (S)-8-bromo-10-fluoro-3-methyl-9-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
Catalogue No.:PAI 12 003016
Molecular Formula : C20H23BrFN3O4
Molecular Weight : 468.32
(R)-9-Fluoro-3-methyl-7-oxo-10-(piperazin-1-yl)-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic Acid
Catalogue No.:PA 12 0131007
Molecular Weight : 347.35
N-Nitroso Desmethyl Levofloxacin D8
Catalogue No.:PA STI 089736
Molecular Formula : C17H9D8FN4O5
Molecular Weight : 384.39
(S)-9-Fluoro-3-methyl-10-((2-(methyl(nitroso)amino)ethyl)(nitroso)amino)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic Acid
Catalogue No.:PA 12 0131008
Molecular Formula : C16H16FN5O6
Molecular Weight : 393.33
Catalogue No.:PA BSC 01312512
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