Ciprofloxacin
环丙沙星
Also known as: Ciprofloxacin (free base), 1-Cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic acid, Bayq 3939, Baycip, Ciprobay, Ciloxan, Cipro, CPFX, Ciprine, Ciprobid, Ciprofloxacin USP, Euciprin
Ciprofloxacin (CAS 85721-33-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C17H18FN3O3 and a molecular weight of 331.341 g/mol. It is also known as Ciprofloxacin (free base), 1-Cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic acid and Bayq 3939. Key properties include a melting point of 255-257°C, a boiling point of 581.8±50.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 305.6±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 85721-33-1
- Jingsj CID
- J-47725-5
- Molecular Formula
- C17H18FN3O3
- Chinese Name
- 环丙沙星
- Molecular Weight
- 331.341 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 255-257°C |
|---|---|
| Boiling Point | 581.8±50.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 305.6±30.1 °C |
Frequently Asked Questions
What is the CAS number of Ciprofloxacin?
The CAS number of Ciprofloxacin is 85721-33-1.
What are the molecular formula and molecular weight of Ciprofloxacin?
Ciprofloxacin has molecular formula C17H18FN3O3 and molecular weight 331.341 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ciprofloxacin (CAS 85721-33-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47725-5 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.