7-[(7R)-7-amino-5-azaspiro[2.4]heptan-5-yl]-8-chloro-6-fluoro-1-[(1S,2R)-2-fluorocyclopropyl]-4-oxo-1,4-dihydroquinoline-3-carboxylic acid
7-[(7R)-7-氨基-5-氮杂螺[2.4]庚烷-5-基]-8-氯-6-氟-1-[(1S,2R)-2-氟环丙基]-1,4-二氢-4-氧代-3-喹啉甲酸
Also known as: Sitafloxacin Isomer Impurity 4 (RSR), Sitafloxacin Impurity 21, Sitafloxacin Isomer II, SitafloxacinisomerⅡ(RSR), 7-[(7R)-7-amino-5-azaspiro[2.4]hept-5-yl]-8-chloro-6-fluoro-1-[(1S,2R)-2-fluorocyclopropyl]-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid
7-[(7R)-7-amino-5-azaspiro[2.4]heptan-5-yl]-8-chloro-6-fluoro-1-[(1S,2R)-2-fluorocyclopropyl]-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 127199-06-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C19H18ClF2N3O3 and a molecular weight of 409.814 g/mol. It is also known as Sitafloxacin Isomer Impurity 4 (RSR), Sitafloxacin Impurity 21 and Sitafloxacin Isomer II. Key properties include a boiling point of 629.2±55.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 334.3±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 127199-06-8
- Jingsj CID
- J-1512226-9
- Molecular Formula
- C19H18ClF2N3O3
- Chinese Name
- 7-[(7R)-7-氨基-5-氮杂螺[2.4]庚烷-5-基]-8-氯-6-氟-1-[(1S,2R)-2-氟环丙基]-1,4-二氢-4-氧代-3-喹啉甲酸
- Molecular Weight
- 409.814 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 629.2±55.0 °C at 760 mmHg |
|---|---|
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 334.3±31.5 °C |
Frequently Asked Questions
What is the CAS number of 7-[(7R)-7-amino-5-azaspiro[2.4]heptan-5-yl]-8-chloro-6-fluoro-1-[(1S,2R)-2-fluorocyclopropyl]-4-oxo-1,4-dihydroquinoline-3-carboxylic acid?
The CAS number of 7-[(7R)-7-amino-5-azaspiro[2.4]heptan-5-yl]-8-chloro-6-fluoro-1-[(1S,2R)-2-fluorocyclopropyl]-4-oxo-1,4-dihydroquinoline-3-carboxylic acid is 127199-06-8.
What are the molecular formula and molecular weight of 7-[(7R)-7-amino-5-azaspiro[2.4]heptan-5-yl]-8-chloro-6-fluoro-1-[(1S,2R)-2-fluorocyclopropyl]-4-oxo-1,4-dihydroquinoline-3-carboxylic acid?
7-[(7R)-7-amino-5-azaspiro[2.4]heptan-5-yl]-8-chloro-6-fluoro-1-[(1S,2R)-2-fluorocyclopropyl]-4-oxo-1,4-dihydroquinoline-3-carboxylic acid has molecular formula C19H18ClF2N3O3 and molecular weight 409.814 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "7-[(7R)-7-amino-5-azaspiro[2.4]heptan-5-yl]-8-chloro-6-fluoro-1-[(1S,2R)-2-fluorocyclopropyl]-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 127199-06-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1512226-9 (accessed 2026-10-25).
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