![9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid](https://img.chemicalbook.com/CAS/GIF/82419-35-0.gif)
A3390912
9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid , 97% , 82419-35-0
CAS NO.：82419-35-0
Empirical Formula: C13H9F2NO4
Molecular Weight: 281.21
MDL number: MFCD00226106
EINECS: 700-160-8
| Pack Size | Price | Stock | Quantity |
| 5G | RMB114.40 | In Stock |
|
| 25G | RMB584.00 | In Stock |
|
| 100g | RMB1119.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 320-322 °C (lit.) |
| Boiling point: | 459.2±45.0 °C(Predicted) |
| Density | 1.61±0.1 g/cm3(Predicted) |
| storage temp. | 2-8°C |
| solubility | DMSO (Slightly, Heated) |
| pka | 4.87±0.40(Predicted) |
| color | Off-White |
| BRN | 4202751 |
| CAS DataBase Reference | 82419-35-0(CAS DataBase Reference) |
Description and Uses
9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid (Ofloxacin EP Impurity A) is an Ofloxacin intermediate.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P305+P351+P338 |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| WGK Germany | 3 |
| HS Code | 29349990 |
