Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate
- CAS NO.：106939-34-8
- Empirical Formula: C15H13F2NO4
- Molecular Weight: 309.26
- MDL number: MFCD09030626
- EINECS: 691-244-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 23:54:11
![Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate Structural](https://img.chemicalbook.in/CAS/GIF/106939-34-8.gif)
What is Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate?
Chemical properties
Off-White Pale Yellow Solid
The Uses of Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate
Levofloxacin intermediate.
Description
(S)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid Ethyl Ester is a Levofloxacin intermediate.
Properties of Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate
| Melting point: | 258-260°C |
| Boiling point: | 442.2±45.0 °C(Predicted) |
| Density | 1.43±0.1 g/cm3(Predicted) |
| storage temp. | Sealed in dry,2-8°C |
| solubility | Acetic Acid (Slightly), Chloroform (Slightly), Methanol (Slightly, Heated) |
| form | Solid |
| pka | -3.62±0.60(Predicted) |
| color | Off-White to Light Yellow |
| CAS DataBase Reference | 106939-34-8 |
Safety information for Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate
Computed Descriptors for Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate
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