norfloxacin and its Impurities

A first generation synthetic antibacterial agent, that belongs to fluoroquinolone family. It is used for the treatment of urinary tract infections. Norfloxacin is a broad spectrum antibiotic and its mode of action is inhibiting DNA gyrase thereby inhibiting cell division.Reference standards of Norfloxacin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 53 results for norfloxacin Impurities
PA 14 40000

Norfloxacin

Norfloxacin

  • Catalogue No.:PA 14 40000

  • CAS :

    70458-96-7

  • Molecular Formula : C16H18FN3O3

  • Molecular Weight : 319.33

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PA 14 40010

Norfloxacin - Impurity A

7-Chloro-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid

  • Catalogue No.:PA 14 40010

  • CAS :

    68077-26-9

  • Molecular Formula : C12H9ClFNO3

  • Molecular Weight : 269.66

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PA 14 40040

Norfloxacin - Impurity D

1-Ethyl-6-fluoro-7-(piperazin-1-yl)quinolin-4(1H)-one

  • Catalogue No.:PA 14 40040

  • CAS :

    75001-82-0

  • Molecular Formula : C15H18FN3O

  • Molecular Weight : 275.32

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PA 14 40050

Norfloxacin - Impurity E (Freebase)

7-Chloro-1-ethyl-4-oxo-6-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic Acid

  • Catalogue No.:PA 14 40050

  • CAS :

    75001-78-4

  • Molecular Formula : C16H18ClN3O3

  • Molecular Weight : 335.79

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PA 14 40070

Norfloxacin - Impurity G

1-Ethyl-6-fluoro-7-(4-formylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid

  • Catalogue No.:PA 14 40070

  • CAS :

    70459-04-0

  • Molecular Formula : C17H18FN3O4

  • Molecular Weight : 347.34

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PA 14 40080

Norfloxacin - Impurity H

7-[4-(Ethoxycarbonyl)piperazin-1-yl]-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid

  • Catalogue No.:PA 14 40080

  • CAS :

    105440-01-5

  • Molecular Formula : C19H22FN3O5

  • Molecular Weight : 391.39

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PA 14 40110

Norfloxacin - Impurity K

6-Fluoro-1-methyl-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic Acid

  • Catalogue No.:PA 14 40110

  • CAS :

    70459-07-3

  • Molecular Formula : C15H16FN3O3

  • Molecular Weight : 305.30

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PA STI 069021

Norfloxacin-d5

Norfloxacin-d5

  • Catalogue No.:PA STI 069021

  • CAS :

    1015856-57-1

  • Molecular Formula : C16H13D5FN3O3

  • Molecular Weight : 324.36

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PA STI 069040

Norfloxacin-d8

Norfloxacin-d8

  • Catalogue No.:PA STI 069040

  • CAS :

    1216601-32-9

  • Molecular Formula : C16H10D8FN3O3

  • Molecular Weight : 327.38

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PAI 14 007510

Diethyl 2-(((3,4-dichlorophenyl)amino)methylene)malonate

Diethyl 2-(((3,4-dichlorophenyl)amino)methylene)malonate

  • Catalogue No.:PAI 14 007510

  • CAS :

    26832-89-3

  • Molecular Formula : C14H15Cl2NO4

  • Molecular Weight : 332.18

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PAI 14 007520

Ethyl 6,7-dichloro-4-oxo-1,4-dihydroquinoline-3-carboxylate

Ethyl 6,7-dichloro-4-oxo-1,4-dihydroquinoline-3-carboxylate

  • Catalogue No.:PAI 14 007520

  • CAS :

    NA

  • Molecular Formula : C12H9Cl2NO3

  • Molecular Weight : 286.11

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PAI 14 007530

Ethyl 6,7-dichloro-1-ethyl-4-oxo-1,4-dihydroquinoline-3-carboxylate

Ethyl 6,7-dichloro-1-ethyl-4-oxo-1,4-dihydroquinoline-3-carboxylate

  • Catalogue No.:PAI 14 007530

  • CAS :

    NA

  • Molecular Formula : C14H13Cl2NO3

  • Molecular Weight : 314.16

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PAI 14 007540

Ethyl 6-(4-(tert-butoxycarbonyl)piperazin-1-yl)-7-chloro-1-ethyl-4-oxo-1,4-dihydroquinoline-3-carboxylate

Ethyl 6-(4-(tert-butoxycarbonyl)piperazin-1-yl)-7-chloro-1-ethyl-4-oxo-1,4-dihydroquinoline-3-carboxylate

  • Catalogue No.:PAI 14 007540

  • CAS :

    NA

  • Molecular Formula : C23H30ClN3O5

  • Molecular Weight : 463.96

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PA IPIPRS 117 12

Norfloxacin (IPRS/117/12)-from IPC

  • Catalogue No.:PA IPIPRS 117 12

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

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PA EPN1230000

Norfloxacin (N1230000)

Norfloxacin (N1230000)

  • Catalogue No.:PA EPN1230000

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA EPN1230010

Norfloxacin impurity A (N1230010)

Norfloxacin impurity A (N1230010)

  • Catalogue No.:PA EPN1230010

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA EPY0001015

Norfloxacin for system suitability (Y0001015)

Norfloxacin for system suitability (Y0001015)

  • Catalogue No.:PA EPY0001015

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA EPY0001301

Norfloxacin for peak identification (Y0001301)

Norfloxacin for peak identification (Y0001301)

  • Catalogue No.:PA EPY0001301

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA USP1471506

Norfloxacin (1471506)

Norfloxacin (1471506)

  • Catalogue No.:PA USP1471506

  • CAS :

    70458-96-7

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA USP1471517

Norfloxacin Related Compound A (7-Chloro-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic a (1471517)

Norfloxacin Related Compound A (7-Chloro-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic a (1471517)

  • Catalogue No.:PA USP1471517

  • CAS :

    68077-26-9

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA USP1471550

Norfloxacin Related Compound E (7-Chloro-1-ethyl-4-oxo-6-(piperazin-1-yl)-1,4-dihydroquinoline-3-ca (1471550)

Norfloxacin Related Compound E (7-Chloro-1-ethyl-4-oxo-6-(piperazin-1-yl)-1,4-dihydroquinoline-3-ca (1471550)

  • Catalogue No.:PA USP1471550

  • CAS :

    75001-78-4

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA USP1471583

Norfloxacin Related Compound H (7-[4-(ethoxycarbonyl)piperazin-1-yl]-1-ethyl-6-fluoro-4-oxo-1,4-dih (1471583)

Norfloxacin Related Compound H (7-[4-(ethoxycarbonyl)piperazin-1-yl]-1-ethyl-6-fluoro-4-oxo-1,4-dih (1471583)

  • Catalogue No.:PA USP1471583

  • CAS :

    105440-01-5

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA USP1471619

Norfloxacin Related Compound K (6-Fluoro-1-methyl-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-c (1471619)

Norfloxacin Related Compound K (6-Fluoro-1-methyl-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-c (1471619)

  • Catalogue No.:PA USP1471619

  • CAS :

    70459-07-3

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA BP670RB

norfloxacin (670RB)

norfloxacin (670RB)

  • Catalogue No.:PA BP670RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA 14 40510

7-Amino-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid

7-Amino-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid

  • Catalogue No.:PA 14 40510

  • CAS :

    75001-63-7

  • Molecular Formula : C12H11FN2O3

  • Molecular Weight : 250.23

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PA 14 40520

Norfloxacin-acyl-β-glucuronide

Norfloxacin-acyl-β-glucuronide

  • Catalogue No.:PA 14 40520

  • CAS :

    1260617-45-5

  • Molecular Formula : C22H26FN3O9

  • Molecular Weight : 495.45

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PA 14 40530

Norfloxacin Piperazinyl-1-Oxide

Norfloxacin Piperazinyl-1-Oxide

  • Catalogue No.:PA 14 40530

  • CAS :

    1796931-70-8

  • Molecular Formula : C16H18FN3O4

  • Molecular Weight : 335.33

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PA 14 40540

Norfloxacin nicotinate

Norfloxacin nicotinate

  • Catalogue No.:PA 14 40540

  • CAS :

    118803-81-9

  • Molecular Formula : C16H18FN3O3•C6H5NO2

  • Molecular Weight : 319.3312311

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PA 14 40030

Norfloxacin - Impurity C

1-Ethyl-4-oxo-6,7-di(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic Acid

  • Catalogue No.:PA 14 40030

  • CAS :

    177554-64-2

  • Molecular Formula : C20H27N5O3

  • Molecular Weight : 385.47

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PA 14 40060

Norfloxacin - Impurity F

6-Chloro-1-ethyl-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic Acid

  • Catalogue No.:PA 14 40060

  • CAS :

    67681-84-9

  • Molecular Formula : C16H18ClN3O3

  • Molecular Weight : 335.79

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PA 14 0401000

N-(3-Oxobutyl) Norfloxacin

N-(3-Oxobutyl) Norfloxacin

  • Catalogue No.:PA 14 0401000

  • CAS :

    103240-27-3

  • Molecular Formula : C20H24FN3O4

  • Molecular Weight : 389.43

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PA 14 0401001

1-Ethyl-6-fluoro-4-oxo-7-(4-stearoylpiperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic Acid

1-Ethyl-6-fluoro-4-oxo-7-(4-stearoylpiperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic Acid

  • Catalogue No.:PA 14 0401001

  • CAS :

    1911573-08-4

  • Molecular Formula : C34H52FN3O4

  • Molecular Weight : 585.81

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PA 14 0401002

N-Hydroxy Norfloxacin

N-Hydroxy Norfloxacin

  • Catalogue No.:PA 14 0401002

  • CAS :

    109142-49-6

  • Molecular Formula : C16H18FN3O4

  • Molecular Weight : 335.34

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PA 14 0400020

Norfloxacin - Impurity B

7-[(2-Aminoethyl)amino]-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid

  • Catalogue No.:PA 14 0400020

  • CAS :

    75001-77-3

  • Molecular Formula : C14H16FN3O3

  • Molecular Weight : 293.3

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PA 14 0401003

1-Ethyl-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid Hydrochloride

1-Ethyl-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid Hydrochloride

  • Catalogue No.:PA 14 0401003

  • CAS :

    NA

  • Molecular Formula : C16H20ClN3O3

  • Molecular Weight : 337.8

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PA 14 0400090

Norfloxacin - Impurity I

7-Chloro-6-[4-(ethoxycarbonyl)piperazin-1-yl]-1-ethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid

  • Catalogue No.:PA 14 0400090

  • CAS :

    NA

  • Molecular Formula : C19H22ClN3O5

  • Molecular Weight : 407.85

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PA 14 0400100

Norfloxacin - Impurity J

6,7-Bis[4-(ethoxycarbonyl)piperazin-1-yl]-1-ethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid

  • Catalogue No.:PA 14 0400100

  • CAS :

    NA

  • Molecular Formula : C26H35N5O7

  • Molecular Weight : 529.59

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PA 14 0401004

N-Nitrosonorfloxacin

N-Nitrosonorfloxacin

  • Catalogue No.:PA 14 0401004

  • CAS :

    74011-53-3

  • Molecular Formula : C16H17FN4O4

  • Molecular Weight : 348.33

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PA 14 0401005

7-Chloro-6-fluoro-1-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid

7-Chloro-6-fluoro-1-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid

  • Catalogue No.:PA 14 0401005

  • CAS :

    70032-16-5

  • Molecular Formula : C11H7ClFNO3

  • Molecular Weight : 255.63

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PA 14 0401006

6-((2-Aminoethyl)amino)-7-chloro-1-ethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid Hydrochloride

6-((2-Aminoethyl)amino)-7-chloro-1-ethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid Hydrochloride

  • Catalogue No.:PA 14 0401006

  • CAS :

    NA

  • Molecular Formula : C14H17Cl2N3O3

  • Molecular Weight : 346.21

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PA 14 0401007

Ethyl 7-chloro-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylate

Ethyl 7-chloro-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylate

  • Catalogue No.:PA 14 0401007

  • CAS :

    75073-15-3

  • Molecular Formula : C12H9ClFNO3

  • Molecular Weight : 269.66

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PA 14 0401008

7-(3,5-Dioxopiperazin-1-yl)-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid

7-(3,5-Dioxopiperazin-1-yl)-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid

  • Catalogue No.:PA 14 0401008

  • CAS :

    1426313-01-0

  • Molecular Formula : C16H14FN3O5

  • Molecular Weight : 347.3

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PA 14 0401009

1-Ethyl-7-(ethylamino)-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid

1-Ethyl-7-(ethylamino)-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid

  • Catalogue No.:PA 14 0401009

  • CAS :

    1620445-19-3

  • Molecular Formula : C14H15FN2O3

  • Molecular Weight : 278.28

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PA 14 0401010

7-[Bis(2-oxoacetyl)amino]-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid

7-[Bis(2-oxoacetyl)amino]-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid

  • Catalogue No.:PA 14 0401010

  • CAS :

    1620445-20-6

  • Molecular Formula : C16H11FN2O7

  • Molecular Weight : 362.27

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PA 14 0401011

Isopropyl 1-ethyl-6-fluoro-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylate

Isopropyl 1-ethyl-6-fluoro-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylate

  • Catalogue No.:PA 14 0401011

  • CAS :

    1415841-37-0

  • Molecular Formula : C19H24FN3O3

  • Molecular Weight : 361.42

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PA IPRSN008

Norfloxacin (IPRSN008)

Norfloxacin (IPRSN008)

  • Catalogue No.:PA IPRSN008

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PAI 14 007541

Diethyl 2-(((3-chloro-4-fluorophenyl)amino)methylene)malonate

Diethyl 2-(((3-chloro-4-fluorophenyl)amino)methylene)malonate

  • Catalogue No.:PAI 14 007541

  • CAS :

    70032-30-3

  • Molecular Formula : C14H15ClFNO4

  • Molecular Weight : 315.73

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PAI 14 007542

Ethyl 7-chloro-6-fluoro-1-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylate

Ethyl 7-chloro-6-fluoro-1-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylate

  • Catalogue No.:PAI 14 007542

  • CAS :

    70459-06-2

  • Molecular Formula : C13H11ClFNO3

  • Molecular Weight : 283.68

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PAI 14 007543

Ethyl 6-fluoro-1-methyl-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylate

Ethyl 6-fluoro-1-methyl-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylate

  • Catalogue No.:PAI 14 007543

  • CAS :

    NA

  • Molecular Formula : C17H20FN3O3

  • Molecular Weight : 333.36

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PAI 14 007545

7-(4-(tert-Butoxycarbonyl)piperazin-1-yl)-6-fluoro-1-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid

7-(4-(tert-Butoxycarbonyl)piperazin-1-yl)-6-fluoro-1-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid

  • Catalogue No.:PAI 14 007545

  • CAS :

    2222296-68-4

  • Molecular Formula : C20H24FN3O5

  • Molecular Weight : 405.43

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PAI 14 007546

Ethyl 7-(4-(tert-butoxycarbonyl)piperazin-1-yl)-6-fluoro-1-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylate

Ethyl 7-(4-(tert-butoxycarbonyl)piperazin-1-yl)-6-fluoro-1-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylate

  • Catalogue No.:PAI 14 007546

  • CAS :

    NA

  • Molecular Formula : C22H28FN3O5

  • Molecular Weight : 433.48

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PA 14 0400111

Norfloxacin - Impurity K (TFA Salt)

6-Fluoro-1-methyl-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic Acid Trifluoroacetic Acid

  • Catalogue No.:PA 14 0400111

  • CAS :

    NA

  • Molecular Formula : C17H17F4N3O5

  • Molecular Weight : 419.33

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PA 14 0400051

Norfloxacin - Impurity E (Hydrochloride Salt)

7-Chloro-1-ethyl-4-oxo-6-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic Acid Hydrochloride

  • Catalogue No.:PA 14 0400051

  • CAS :

    75001-85-3

  • Molecular Formula : C16H19Cl2N3O3

  • Molecular Weight : 372.25

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