Levofloxacin mesylate

甲磺酸左旋氧氟沙星

Also known as: Levofloxacin mesylate USP/EP/BP, (3S)-9-Fluoro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid methanesulfonate (1:1), (S)-9-Fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid methanesulfonic acid salt, 7H-1,4-Oxazino[2,3,4-ij]quinoline-6-carboxylic acid, 9-fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-, (3S)-, methanesulfonate (1:1)

Levofloxacin mesylate (CAS 226578-51-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C19H24FN3O7S and a molecular weight of 457.473 g/mol. It is also known as Levofloxacin mesylate USP/EP/BP, (3S)-9-Fluoro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid methanesulfonate (1:1) and (S)-9-Fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid methanesulfonic acid salt. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

226578-51-4

Jingsj CID

J-1460037-1

Molecular Formula

C₁₉H₂₄FN₃O₇S

Chinese Name

甲磺酸左旋氧氟沙星

Molecular Weight

457.473 g/mol

Category

Organic Acids

Last updated

8/21/2026