Pefloxacin mesylate

甲磺酸培氟沙星

Also known as: Pefloxacin methanesulfonate, 1-Ethyl-6-fluoro-7-(4-methylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid methanesulfonate, Pefloxacin mesylate dihydrate, Pefloxacin mesilate, 1-Ethyl-6-fluoro-7-(4-methyl-1-piperazinyl)-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid monomethanesulfonate

Pefloxacin mesylate (CAS 70458-95-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H24FN3O6S and a molecular weight of 429.463 g/mol. It is also known as Pefloxacin methanesulfonate, 1-Ethyl-6-fluoro-7-(4-methylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid methanesulfonate and Pefloxacin mesylate dihydrate. Key properties include a boiling point of 529.1ºC at 760 mmHg, a density of 1.32 g/cm3 and a flash point of 273.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
70458-95-6
Jingsj CID
J-1972519-4
Molecular Formula
C18H24FN3O6S
Chinese Name
甲磺酸培氟沙星
Molecular Weight
429.463 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point529.1ºC at 760 mmHg
Density1.32 g/cm3
Flash Point273.8ºC

Frequently Asked Questions

What is the CAS number of Pefloxacin mesylate?

The CAS number of Pefloxacin mesylate is 70458-95-6.

What are the molecular formula and molecular weight of Pefloxacin mesylate?

Pefloxacin mesylate has molecular formula C18H24FN3O6S and molecular weight 429.463 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Pefloxacin mesylate (CAS 70458-95-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1972519-4 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.