Levofloxacin
15 Results Found
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Levofloxacin API Reference standards and its EP Impurities, USP Impurities, non pharmacopeial Impurities, listed below & also offered custom synthesis for unknown Impurities. If require any contact info@drjcrbio.com, sales@drjcrbio.com
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Product Name : Levofloxacin Desethylene N-Desmethyl Impurity (HCl) ; Levofloxacin Diamine HCl ; Levofloxacin Impurity 9 (HCl ; (S)-10-(2-Aminoethylamino)-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid hydrochloride ; 1797099-76-3 (HCl) ; 1797510-34-9 (Base)
Code: JCLEV-14 CAS: 1797099-76-3 (HCl) ; 1797510-34-9 (Base) Chemical Formula: C15H17ClFN3O4 Molecular Weight: 357.76 Category: Levofloxacin Reference Standards/Levofloxacin API Drug Metabolites/Levofloxacin EP Impurities/Levofloxacin USP Impurities Literature: Application: Levofloxacin Desethylene N-Desmethyl Impurity (HCl) ; Levofloxacin Diamine HCl ; Levofloxacin Impurity 9 (HCl ; (S)-10-(2-Aminoethylamino)-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid hydrochloride ; 1797099-76-3 (HCl) ; 1797510-34-9 (Base) is useful as reference Impurity standard. ![Levofloxacin Desethylene N-Desmethyl Impurity (HCl) ; Levofloxacin Diamine HCl ; Levofloxacin Impurity 9 (HCl ; (S)-10-(2-Aminoethylamino)-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid hydrochloride ; 1797099-76-3 (HCl) ; 1797510-34-9 (Base)](https://drjcrbio.com/wp-content/uploads/1797099-76-3.png)
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Product Name : Levofloxacin chloro analog; Levofloxacin Impurity 38; (S)-9-chloro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
Code: JCLEV-13 CAS: N/A Chemical Formula: C18H20ClN3O4 Molecular Weight: 377.82 Category: Levofloxacin Reference Standards/Levofloxacin API Drug Metabolites/Levofloxacin EP Impurities/Levofloxacin USP Impurities Literature: Application: Levofloxacin chloro analog; Levofloxacin Impurity 38; (S)-9-chloro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid is useful as reference Impurity standard. ![Levofloxacin chloro analog; Levofloxacin Impurity 38; (S)-9-chloro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid](https://drjcrbio.com/wp-content/uploads/Levofloxacin-chloro-analog-Levofloxacin-Impurity-38-S-9-chloro-3-methyl-10-4-methylpiperazin-1-yl-7-oxo-37-dihydro-2H-14oxazino234-ijquinoline-6-carboxylic-acid.png)
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Product Name : N-Nitroso Levofloxacin Impuiryt-1; (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
Code: JCNTS-N233 CAS: NA Chemical Formula: C17H17FN4O5 Molecular Weight: 376.34 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP ImpuritiesLiterature: Application: N-Nitroso Levofloxacin Impuiryt-1; (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 ; is useful as reference Impurity standard.![N-Nitroso Levofloxacin Impuiryt-1; (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](https://drjcrbio.com/wp-content/uploads/N-Nitroso-Levofloxacin-Impuiryt-1.png)
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Product Name : N-nitroso-Desmethyl levofloxacin ; (3S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-nitroso-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid ;(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 |1152314-62-9
Code: JCLEV-12 CAS: 1152314-62-9 Chemical Formula: C₁₇H₁₇FN₄O₅ Molecular Weight:376.34 Category: Levofloxacin Reference Standards/Levofloxacin API Drug Metabolites/Levofloxacin EP Impurities/Levofloxacin USP Impurities Literature: Application: N-nitroso-Desmethyl levofloxacin ; (3S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-nitroso-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid ;(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 |1152314-62-9 is useful as reference Impurity standard. ![N-nitroso-Desmethyl levofloxacin ; (3S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-nitroso-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid ;(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 |1152314-62-9](https://drjcrbio.com/wp-content/uploads/1152314-62-9.png)
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Product Name : Levofloxacin 9-Piperazinyl Isomer ; (-)-(S)-10-Fluoro-2,3-dihydro-3-methyl-9-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid | 178912-62-4
Code: JCLEV-11 CAS: 178912-62-4 Chemical Formula: C18H20FN3O4 Molecular Weight: 361.37 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Levofloxacin 9-Piperazinyl Isomer ; (-)-(S)-10-Fluoro-2,3-dihydro-3-methyl-9-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid | 178912-62-4 is useful as reference Impurity standard. ![Levofloxacin 9-Piperazinyl Isomer ; (-)-(S)-10-Fluoro-2,3-dihydro-3-methyl-9-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid | 178912-62-4](http://drjcrbio.com/wp-content/uploads/LE-13.png)
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Product Name : Levofloxacin USP RC C ; Levofloxacin USP Related Compound C ; Levofloxacin Ethyl Ester ; Ethyl (S)-9-fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate | 177472-30-9
Code: JCLEV-10 CAS: 177472-30-9 Chemical Formula: C20H24FN3O4 Molecular Weight: 389.42 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Levofloxacin USP RC C ; Levofloxacin USP Related Compound C ; Levofloxacin Ethyl Ester ; Ethyl (S)-9-fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate | 177472-30-9 is useful as reference Impurity standard. ![Levofloxacin USP RC C ; Levofloxacin USP Related Compound C ; Levofloxacin Ethyl Ester ; Ethyl (S)-9-fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate | 177472-30-9](https://drjcrbio.com/wp-content/uploads/Levofloxacin-USP-RC-C-Levofloxacin-USP-Related-Compound-C-Levofloxacin-Ethyl-Ester-Ethyl-S-9-fluoro-23-dihydro-3-methyl-10-4-methyl-1-piperazinyl-7-oxo-7H-pyrido123-de-14-benzoxazine-6-carboxylate-177472-30-9.png)
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Product Name : Levofloxacin USP RC B ; Levofloxacin Difluoro Carboxylic Acid ; (S)-9,10-Difluro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid | 100986-89-8
Code: JCLEV-09 CAS: 100986-89-8 Chemical Formula: C13H9F2NO4 Molecular Weight: 281.21 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Levofloxacin USP RC B ; Levofloxacin Difluoro Carboxylic Acid ; (S)-9,10-Difluro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid | 100986-89-8 is useful as reference Impurity standard. ![Levofloxacin USP RC B ; Levofloxacin Difluoro Carboxylic Acid ; (S)-9,10-Difluro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid | 100986-89-8](https://drjcrbio.com/wp-content/uploads/Levofloxacin-USP-RC-B-Levofloxacin-Difluoro-Carboxylic-Acid-CAS-100986-89-8.png)
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Product Name : Levofloxacin USP RC A ; Levofloxacin USP Related Compound A ; (-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-(1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid ; N-Desmethyl Levofloxacin | 117707-40-1
Code: JCLEV-08 CAS: 117707-40-1 Chemical Formula: C17H18FN3O4 Molecular Weight: 347.34 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Levofloxacin USP RC A ; Levofloxacin USP Related Compound A ; (-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-(1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid ; N-Desmethyl Levofloxacin | 117707-40-1 is useful as reference Impurity standard. ![Levofloxacin USP RC A ; Levofloxacin USP Related Compound A ; (-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-(1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid ; N-Desmethyl Levofloxacin | 117707-40-1](https://drjcrbio.com/wp-content/uploads/Levofloxacin-USP-RC-A-N-Desmethyl-Levofloxacin-CAS-117707-40-1.png)
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Product Name : Levofloxacin R-Isomer ;(+)-(R)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid ; (R)-(+)-Ofloxacin ; D-Ofloxacin ; Ofloxacin R-Isomer | 100986-86-5
Code: JCLEV-07 CAS: 100986-86-5 Chemical Formula: C18H20FN3O4 Molecular Weight: 361.37 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Levofloxacin R-Isomer ;(+)-(R)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid ; (R)-(+)-Ofloxacin ; D-Ofloxacin ; Ofloxacin R-Isomer | 100986-86-5 is useful as reference Impurity standard. ![Levofloxacin R-Isomer ;(+)-(R)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid ; (R)-(+)-Ofloxacin ; D-Ofloxacin ; Ofloxacin R-Isomer | 100986-86-5](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/DRJC-LVFX-007.jpg)
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Product Name : Levofloxacin N-Oxide ; (-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid N-oxide | 117678-37-2
Code: JCLEV-06 CAS: 117678-37-2; 117678-38-3 Chemical Formula: C18H20FN3O5 Molecular Weight: 377.37 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Levofloxacin N-Oxide ; (-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid N-oxide | 117678-37-2 is useful as reference Impurity standard. ![Levofloxacin N-Oxide ; (-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid N-oxide | 117678-37-2](https://drjcrbio.com/wp-content/uploads/Levofloxacin-N-Oxide-S-Levofloxacin-N-Oxide-S-9-Fluoro-23-dihydro-3-methyl-10-4-methyl-1-piperazinyl-7-oxo-7H-pyrido123-de-14-benzoxazine-6-carboxylic-acid-N-oxide-CAS-117678-38-3.png)
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Product Name : Levofloxacin Hemihydrate ; S-(-)-Levofloxacin ; (-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid hemihydrate ;
Code: JCLEV-05 CAS: 138199-71-0 Chemical Formula:C18H20FN3O4 • 1/2H2O Molecular Weight: 361.37 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Levofloxacin Hemihydrate ;S-(-)-Levofloxacin ; (-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid hemihydrate | 138199-71-0 is useful as reference Impurity standard. ![Levofloxacin Hemihydrate ; S-(-)-Levofloxacin ; (-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid hemihydrate ;](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/DRJC-LVFX-005.jpg)
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Product Name : Levofloxacin USP RC F ;Levofloxacin Desfluoro Impurity ; (-)-(S)-2,3-Dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid | 117620-85-6
Code: JCLEV-04 CAS: 117620-85-6 Chemical Formula: C18H21N3O4 Molecular Weight: 343.38 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Levofloxacin USP RC F ;Levofloxacin Desfluoro Impurity ; (-)-(S)-2,3-Dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid | 117620-85-6 is useful as reference Impurity standard. ![Levofloxacin USP RC F ;Levofloxacin Desfluoro Impurity ; (-)-(S)-2,3-Dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid | 117620-85-6](https://drjcrbio.com/wp-content/uploads/117620-85-6.png)
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Product Name : Levofloxacin USP RC E ;N,N’-Desethylene Levofloxacin Hydrochloride ; (-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-[2-(methylamino)ethylamino]-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid HCl | 1346603-62-0
Code: JCLEV-03 CAS: 1346603-62-0 Chemical Formula: C16H19ClFN3O4 Molecular Weight: 371.79 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Levofloxacin USP RC E ;N,N’-Desethylene Levofloxacin Hydrochloride ; (-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-[2-(methylamino)ethylamino]-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid HCl | 1346603-62-0 is useful as reference Impurity standard. ![Levofloxacin USP RC E ;N,N’-Desethylene Levofloxacin Hydrochloride ; (-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-[2-(methylamino)ethylamino]-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid HCl | 1346603-62-0](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/DRJC-LVFX-003.jpg)
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Product Name : Levofloxacin Desethylene Diformyl Impurity ;Desethylene Diformyl Levofloxacin ; N,N’-Desethylene-N,N’-diformyl Levofloxacin ; (S)-9-Fluoro-10-[formyl[2-(formylmethylamino)ethyl]amino]-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid | 151377-74-1
Code: JCLEV-02 CAS: 151377-74-1 Chemical Formula: C18H18FN3O6 Molecular Weight: 391.35 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Levofloxacin Desethylene Diformyl Impurity ;Desethylene Diformyl Levofloxacin ; N,N’-Desethylene-N,N’-diformyl Levofloxacin ; (S)-9-Fluoro-10-[formyl[2-(formylmethylamino)ethyl]amino]-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid | 151377-74-1 is useful as reference Impurity standard. ![Levofloxacin Desethylene Diformyl Impurity ;Desethylene Diformyl Levofloxacin ; N,N’-Desethylene-N,N’-diformyl Levofloxacin ; (S)-9-Fluoro-10-[formyl[2-(formylmethylamino)ethyl]amino]-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid | 151377-74-1](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/DRJC-LVFX-002.jpg)
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Product Name : Levofloxacin Descarboxy Impurity ; (-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine | 178964-53-9
Code: JCLEV-01 CAS: 178964-53-9 Chemical Formula: C17H20FN3O2 Molecular Weight: 317.36 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Levofloxacin Descarboxy Impurity ; (-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine | 178964-53-9 is useful as reference Impurity standard. ![Levofloxacin Descarboxy Impurity ; (-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine | 178964-53-9](https://drjcrbio.com/wp-content/uploads/Levofloxacin-Descarboxy-Impurity-S-9-Fluoro-23-dihydro-3-methyl-10-4-methyl-1-piperazinyl-7-oxo-7H-pyrido123-de-14-benzoxazine-CAS-178964-53-9.png)
