Category
Levofloxacin
CAS Number
Levofloxacin STD-100986-85-4; 138199-71-0(Hemihydrate Salt): IMP-A-100986-86-5: IMP-B-117707-40-1; 2254176-11-7(HCl Salt): IMP-G-151250-76-9; 1346603-62-0(HCl salt)
Molecular Formula
Levofloxacin STD-C18H20FN3O4: IMP-A-C18H20FN3O4: IMP-B-C17H18FN3O4: IMP-G-C16H18FN3O4
Molecular Weight
Levofloxacin STD-361.37: IMP-A-361.37: IMP-B-347.34: IMP-G-335.33
Synonym

Levofloxacin STD-(2S)-7-fluoro-2-methyl-6-(4-methylpiperazin-1-yl)-10-oxo-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraene-11-carboxylic acid; (−)-Ofloxacin; (S)-9-fluoro-2,3-dihydro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid; (S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid

Levofloxacin-EP-Impurity-A-(2R)-7-fluoro-2-methyl-6-(4-methylpiperazin-1-yl)-10-oxo-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraene-11-carboxylic acid

Levofloxacin-EP-Impurity-B-(2S)-7-fluoro-2-methyl-10-oxo-6-piperazin-1-yl-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraene-11-carboxylic acid

Levofloxacin-EP-Impurity-G-(2S)-7-fluoro-2-methyl-6-[2-(methylamino)ethylamino]-10-oxo-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraene-11-carboxylic acid  

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Purity:

Above - 95.0%

Technical Data:

We will provide complete documentation support for every Standard Material. All analytical reports such as ¹H NMR, ¹³C NMR, Mass, FT-IR, HPLC Purity/GC Purity/QNMR Purity, Water content by KF/ Loss on Drying/TGA (Thermo-gravimetric Analysis). Certificate of Analysis with potency report. Each Standard Material SER (Structure Elucidation Report) with NMR, Mass, IR spectral interpretation. This whole analytical document can be included in eCTD, ANDA, DMF submissions to regulatory agencies.

Levofloxacin for System Suitability CRS is a certified reference substance used in analytical laboratories to verify the performance of chromatographic systems. It ensures accurate retention time, resolution, and peak shape, confirming that the system is suitable for reliable and reproducible analysis of levofloxacin in pharmaceutical formulations.