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Displaying 1 to 19 ( of 19 products )
Norfloxacin 3-Oxo Impurity ; 100 MG
Catalogue #: NFX53-100

1-Ethyl-6-fluoro-1,4-dihydro-4-oxo-7-(3-oxo-1-piperazinyl)-3-quinolinecarboxylic acid ; CAS # 74011-42-0 ;

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Norfloxacin ; 100 MG
Catalogue #: NFX00-100

1-Ethyl-6-fluoro-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid ; CAS # 70458-96-7 ;

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Norfloxacin EP Impurity A ; 100 MG
Catalogue #: NFX01-100

7-Chloro-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid ; CAS # 68077-26-9 ;

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Norfloxacin EP Impurity B ; 100 MG
Catalogue #: NFX02H-100

Norfloxacin Desethylene Impurity ; Norfloxacin Ethylenediamine Analog ; 7-[(2-Aminoethyl)amino]-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid HCl ; CAS # 1797116-86-9 (HCl salt) ; 75001-77-3 (base) ;

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Norfloxacin EP Impurity C ; 100 MG
Catalogue #: NFX03-100

Norfloxacin Dipiperazine Impurity ; 1-Ethyl-4-oxo-6,7-bis(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid ; CAS # 177554-64-2 ;

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Norfloxacin EP Impurity D ; 100 MG
Catalogue #: NFX04-100

Norfloxacin Descarboxy Impurity ; 1-Ethyl-6-fluoro-7-(piperazin-1-yl)quinolin-4(1H)-one ; CAS # 75001-82-0 ;

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Norfloxacin EP Impurity E ; 100 MG
Catalogue #: NFX05H-100

Norfloxacin HCl 7-Chloro Analog ; 7-Chloro-1-ethyl-4-oxo-6-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid HCl ; CAS # 75001-78-4 ;

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Norfloxacin EP Impurity F ; 100 MG
Catalogue #: NFX06H-100

Norfloxacin 6-Chloro Analog ; 6-Chloro-1-ethyl-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid HCl ; CAS # 67681-86-1 (HCl salt) ; 67681-84-9 (base) ;

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Norfloxacin EP Impurity G ; 100 MG
Catalogue #: NFX07-100

Norfloxacin N-Formyl Impurity ; 1-Ethyl-6-fluoro-7-(4-formylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid ; CAS # 70459-04-0 ;

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Norfloxacin EP Impurity H ; 10 MG
Catalogue #: NFX08-10

Norfloxacin N-Ethoxycarbonyl Impurity ; 7-[4-(Ethoxycarbonyl)piperazin-1-yl]-1-ethyl-6-fluoro-4-oxo-1,4-dihydro quinoline-3-carboxylic acid ; CAS # 105440-01-5 ;

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Norfloxacin EP Impurity I ; 100 MG
Catalogue #: NFX09-100

7-Chloro-6-[4-(ethoxycarbonyl)piperazin-1-yl]-1-ethyl-4-oxo-1,4-dihydro quinoline-3-carboxylic acid ;

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Norfloxacin EP Impurity J ; 100 MG
Catalogue #: NFX10-100

6,7-bis[4-(Ethoxycarbonyl)piperazin-1-yl]-1-ethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid ;

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Norfloxacin EP Impurity K (HCl) ; 100 MG
Catalogue #: NFX11H-100

Norfloxacin USP RC K (HCl) ; Norfloxacin HCl N-Methyl Analog ; 6-Fluoro-1-methyl-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid HCl ; CAS # 70459-07-3 (base) ; 74011-48-6 (HCl salt) ;

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Norfloxacin N-Hydroxy Impurity ; 100 MG
Catalogue #: NFX50-100

1-Ethyl-6-fluoro-1,4-dihydro-7-(4-hydroxy-1-piperazinyl)-4-oxo-3-quinolinecarboxylic acid ; CAS # 109142-49-6 ;

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Norfloxacin N-Methyl Impurity ; 100 MG
Catalogue #: NFX51M-100

Pefloxacin Mesylate ; 1-Ethyl-6-fluoro-1,4-dihydro-7-(4-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic acid methylate ; CAS # 70458-95-6 (mesylate salt) ; 70458-92-3 (base) ;

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Norfloxacin N-Nitroso Impurity ; 100 MG
Catalogue #: NFX48-100

1-Ethyl-6-fluoro-1,4-dihydro-7-(4-N-nitroso-1-piperazinyl)-4-oxo-3-quinolinecarboxylic acid ; CAS # 74011-53-3 ;

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Norfloxacin RC 1 ; 100 MG
Catalogue #: NFX61-100

7-Chloro-6-fluoro-1-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid ; CAS # 70032-16-5 ;

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Norfloxacin RC 2 ; 100 MG
Catalogue #: NFX62-100

Ethyl 7-chloro-6-fluoro-1-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylate ; CAS # 70459-06-2 ;

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Norfloxacin RC 3 ; 100 MG
Catalogue #: NFX63-100

Ethyl 7-chloro-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylate ; CAS # 75073-15-3 ;

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Displaying 1 to 19 ( of 19 products )