Besifloxacin
贝西沙星
Also known as: Besivance, (R)-7-(3-Aminohexahydro-1H-azepin-1-yl)-8-chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid, 7-[(3R)-3-aminoazepan-1-yl]-8-chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid, QCR-76, UNII-BFE2NBZ7NX
Besifloxacin (CAS 141388-76-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C19H21ClFN3O3 and a molecular weight of 393.84 g/mol. It is also known as Besivance, (R)-7-(3-Aminohexahydro-1H-azepin-1-yl)-8-chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid and 7-[(3R)-3-aminoazepan-1-yl]-8-chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid. Key properties include a boiling point of 607.0±55.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 320.9±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 141388-76-3
- Jingsj CID
- J-2382-5
- Molecular Formula
- C19H21ClFN3O3
- Chinese Name
- 贝西沙星
- Molecular Weight
- 393.84 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 607.0±55.0 °C at 760 mmHg |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 320.9±31.5 °C |
Frequently Asked Questions
What is the CAS number of Besifloxacin?
The CAS number of Besifloxacin is 141388-76-3.
What are the molecular formula and molecular weight of Besifloxacin?
Besifloxacin has molecular formula C19H21ClFN3O3 and molecular weight 393.84 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Besifloxacin (CAS 141388-76-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2382-5 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.