Levofloxacin-impurities | Pharmaffiliates

levofloxacin

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.

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(
    [pname] => Levofloxacin - Impurity B
    [catalogue_number] => PA 12 13020
    [category_ids] => 69,70,75,76,78,82
    [chemical_name] => 
    [weight] => 347.34
    [form] => C17H18FN3O4
    [cas] => 117707-40-1
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PA 12 13020

Levofloxacin - Impurity B


  • Catalogue No.:PA 12 13020

  • CAS :

    117707-40-1

  • Molecular Formula : C17H18FN3O4

  • Molecular Weight : 347.34

stdClass Object
(
    [pname] => N-tert-Butoxycarbonyl Desmethyl Levofloxacin
    [catalogue_number] => PA 12 13550
    [category_ids] => ,69,76,75,78,70,82,
    [chemical_name] => 
    [weight] => 447.46
    [form] => C22H26FN3O6
    [cas] => 1330277-19-4
    [pslug] => 1330277-19-4-n-tert-butoxycarbonyl-desmethyl-levofloxacin-pa1213550
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PA 12 13550

N-tert-Butoxycarbonyl Desmethyl Levofloxacin


  • Catalogue No.:PA 12 13550

  • CAS :

    1330277-19-4

  • Molecular Formula : C22H26FN3O6

  • Molecular Weight : 447.46

stdClass Object
(
    [pname] => Desmethyl Levofloxacin-d8 Hydrochloride
    [catalogue_number] => PA STI 028400
    [category_ids] => ,69,76,75,78,70,82,98,
    [chemical_name] => 
    [weight] => 391.85
    [form] => C17H11D8ClFN3O4
    [cas] => 1217677-38-7
    [pslug] => 1217677-38-7-desmethyl-levofloxacin-d8-hydrochloride-pasti028400
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PA STI 028400

Desmethyl Levofloxacin-d8 Hydrochloride


  • Catalogue No.:PA STI 028400

  • CAS :

    1217677-38-7

  • Molecular Formula : C17H11D8ClFN3O4

  • Molecular Weight : 391.85

stdClass Object
(
    [pname] => Levofloxacin-d8 Acyl-β-D-glucuronide
    [catalogue_number] => PA STI 056490
    [category_ids] => ,69,70,75,76,78,81,82,98,95,
    [chemical_name] => 
    [weight] => 545.54
    [form] => C24H20D8FN3O10
    [cas] => NA
    [pslug] => levofloxacin-d8-acyl-beta-d-glucuronide-pasti056490
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PA STI 056490

Levofloxacin-d8 Acyl-β-D-glucuronide


  • Catalogue No.:PA STI 056490

  • CAS :

    NA

  • Molecular Formula : C24H20D8FN3O10

  • Molecular Weight : 545.54

stdClass Object
(
    [pname] => 2,3,5-trifluoro-4-(4-methyl-1-piperazinyl)-β-oxo-benzenepropanoic Acid
    [catalogue_number] => PA 12 13670
    [category_ids] => ,69,81,76,75,78,70,82,
    [chemical_name] => 
    [weight] => 344.33
    [form] => C16H19F3N2O3
    [cas] => 108860-30-6
    [pslug] => 108860-30-6-2-3-5-trifluoro-4-4-methyl-1-piperazinyl-beta-oxo-benzenepropanoic-acid-pa1213670
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PA 12 13670

2,3,5-trifluoro-4-(4-methyl-1-piperazinyl)-β-oxo-benzenepropanoic Acid


  • Catalogue No.:PA 12 13670

  • CAS :

    108860-30-6

  • Molecular Formula : C16H19F3N2O3

  • Molecular Weight : 344.33

stdClass Object
(
    [pname] => Levofloxacin Hydroxy Acid
    [catalogue_number] => PA 12 0131000
    [category_ids] => ,123,81,69,78,75,76,82,
    [chemical_name] => 
    [weight] => 381.38
    [form] => C18H21F2N3O4
    [cas] => 1036016-10-0
    [pslug] => 1036016-10-0-levofloxacin-hydroxy-acid-pa120131000
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PA 12 0131000

Levofloxacin Hydroxy Acid


  • Catalogue No.:PA 12 0131000

  • CAS :

    1036016-10-0

  • Molecular Formula : C18H21F2N3O4

  • Molecular Weight : 381.38

stdClass Object
(
    [pname] => 5-Methyl-2-nitrophenol
    [catalogue_number] => PA 12 0131001
    [category_ids] => ,78,75,76,82,
    [chemical_name] => 
    [weight] => 153.14
    [form] => C7H7NO3
    [cas] => 700-38-9
    [pslug] => 700-38-9-5-methyl-2-nitrophenol-pa120131001
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PA 12 0131001

5-Methyl-2-nitrophenol


  • Catalogue No.:PA 12 0131001

  • CAS :

    700-38-9

  • Molecular Formula : C7H7NO3

  • Molecular Weight : 153.14

stdClass Object
(
    [pname] => (3S)-10-Fluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid
    [catalogue_number] => PA 12 0131002
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 263.22
    [form] => C13H10FNO4
    [cas] => 117620-84-5
    [pslug] => 117620-84-5-3s-10-fluoro-2-3-dihydro-3-methyl-7-oxo-7h-pyrido-1-2-3-de-1-4-benzoxazine-6-carboxylic-acid-pa120131002
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PA 12 0131002

(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

  • CAS :

    117620-84-5

  • Molecular Formula : C13H10FNO4

  • Molecular Weight : 263.22

stdClass Object
(
    [pname] => 2,3,4,5-Tetrafluoro-α-[[[(1S)-2-hydroxy-1-methylethyl]amino]methylene]-β-oxo-benzenepropanoic Acid Ethyl Ester
    [catalogue_number] => PA 12 0131003
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 349.28
    [form] => C15H15F4NO4
    [cas] => 110548-02-2
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PA 12 0131003

2,3,4,5-Tetrafluoro-α-[[[(1S)-2-hydroxy-1-methylethyl]amino]methylene]-β-oxo-benzenepropanoic Acid Ethyl Ester


  • Catalogue No.:PA 12 0131003

  • CAS :

    110548-02-2

  • Molecular Formula : C15H15F4NO4

  • Molecular Weight : 349.28

stdClass Object
(
    [pname] => 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_number] => PAI 12 003011
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 404.44
    [form] => C20H25FN4O4
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PAI 12 003011

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

  • CAS :

    2130840-90-1

  • Molecular Formula : C20H25FN4O4

  • Molecular Weight : 404.44

stdClass Object
(
    [pname] => 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_number] => PAI 12 003012
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 389.43
    [form] => C20H24FN3O4
    [cas] => 2130840-92-3
    [pslug] => 2130840-92-3-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-pai12003012
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PAI 12 003012

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

  • CAS :

    2130840-92-3

  • Molecular Formula : C20H24FN3O4

  • Molecular Weight : 389.43

stdClass Object
(
    [pname] => 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_number] => PAI 12 003013
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 354.27
    [form] => C15H12F2N2O6
    [cas] => 1012310-27-8
    [pslug] => 1012310-27-8-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-pai12003013
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PAI 12 003013

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

  • CAS :

    1012310-27-8

  • Molecular Formula : C15H12F2N2O6

  • Molecular Weight : 354.27

stdClass Object
(
    [pname] => 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_number] => PAI 12 003014
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    [weight] => 434.42
    [form] => C20H23FN4O6
    [cas] => 2130840-88-7
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PAI 12 003014

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

  • CAS :

    2130840-88-7

  • Molecular Formula : C20H23FN4O6

  • Molecular Weight : 434.42

stdClass Object
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    [pname] => Ethyl (E)-3-(dimethylamino)-2-(2,4,5-trifluoro-3-methoxybenzoyl)acrylate
    [catalogue_number] => PA 12 0131004
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 331.29
    [form] => C15H16F3NO4
    [cas] => 121577-35-3
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PA 12 0131004

Ethyl (E)-3-(dimethylamino)-2-(2,4,5-trifluoro-3-methoxybenzoyl)acrylate


  • Catalogue No.:PA 12 0131004

  • CAS :

    121577-35-3

  • Molecular Formula : C15H16F3NO4

  • Molecular Weight : 331.29

stdClass Object
(
    [pname] => (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_number] => PAI 12 003015
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 389.47
    [form] => C19H23N3O4S
    [cas] => 2574301-93-0
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PAI 12 003015

(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

  • CAS :

    2574301-93-0

  • Molecular Formula : C19H23N3O4S

  • Molecular Weight : 389.47

stdClass Object
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    [pname] => Levofloxacin-13C-D3
    [catalogue_number] => PA STI 089116
    [category_ids] => ,98,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 365.38
    [form] => C1713CH17D3FN3O4
    [cas] => 1261398-33-7
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PA STI 089116

Levofloxacin-13C-D3


  • Catalogue No.:PA STI 089116

  • CAS :

    1261398-33-7

  • Molecular Formula : C1713CH17D3FN3O4

  • Molecular Weight : 365.38

stdClass Object
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    [pname] => (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_number] => PA 12 0131005
    [category_ids] => ,70,75,76,78,82,162,
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    [weight] => 376.34
    [form] => C17H17FN4O5
    [cas] => 1152314-62-9
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PA 12 0131005

(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

  • CAS :

    1152314-62-9

  • Molecular Formula : C17H17FN4O5

  • Molecular Weight : 376.34

stdClass Object
(
    [pname] => (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
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    [weight] => 347.35
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PA 12 0131007

(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

  • CAS :

    117707-39-8

  • Molecular Formula : C17H18FN3O4

  • Molecular Weight : 347.35