Pefloxacin mesylate dihydrate
甲磺酸培氟沙星二水合物
Also known as: Pefloxacin mesilate dihydrate, Pefloxacin methanesulfonate dihydrate, 1-Ethyl-6-fluoro-7-(4-methylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid methanesulfonate dihydrate, Pefloxacin methane sulfonate dihydrate, RB-1589, EU-5306
Pefloxacin mesylate dihydrate (CAS 149676-40-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H28FN3O8S and a molecular weight of 465.49400 g/mol. It is also known as Pefloxacin mesilate dihydrate, Pefloxacin methanesulfonate dihydrate and 1-Ethyl-6-fluoro-7-(4-methylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid methanesulfonate dihydrate. Key properties include a melting point of 271ºC, a boiling point of 529.1ºC at 760mmHg and a flash point of 273.8ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 149676-40-4
- Jingsj CID
- J-1969419-9
- Molecular Formula
- C18H28FN3O8S
- Chinese Name
- 甲磺酸培氟沙星二水合物
- Molecular Weight
- 465.49400 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 271ºC |
|---|---|
| Boiling Point | 529.1ºC at 760mmHg |
| Flash Point | 273.8ºC |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Pefloxacin mesylate dihydrate?
The CAS number of Pefloxacin mesylate dihydrate is 149676-40-4.
What are the molecular formula and molecular weight of Pefloxacin mesylate dihydrate?
Pefloxacin mesylate dihydrate has molecular formula C18H28FN3O8S and molecular weight 465.49400 g/mol.
Is Pefloxacin mesylate dihydrate hazardous?
Pefloxacin mesylate dihydrate has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Pefloxacin mesylate dihydrate (CAS 149676-40-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1969419-9 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.