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| | Oxygen-fluorine acid Basic information |
| Product Name: | Oxygen-fluorine acid | | Synonyms: | 9,10-DIFLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-7H-PYRIDO[1,2,3-DE]-1,4-BENZ-OXAZINE-6-CARBOXYLIC ACID;9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7h-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxyllic acid;9,10-DIFLUORO-3-METHYL-7-OXO-2,3-DIHYDRO-7H-[1,4]OXAZINO[2,3,4-IJ]QUINOLINE-6-CARBOXYLIC ACID;AURORA 21894;AKOS BBS-00001807;OXYGEN-FLUORINE ACID;OTAVA-BB BB0111050010;9,10-Difluoro-2,3-Dihydro-3-Methyl-7-Oxo-7h-Pyroido(1,2,3-De)(1,4)Benzoxazine-6-Carboxylic Acid | | CAS: | 82419-35-0 | | MF: | C13H9F2NO4 | | MW: | 281.21 | | EINECS: | 700-160-8 | | Product Categories: | Various Intermediates;Intermediates;Intermediates & Fine Chemicals;Pharmaceuticals;Benzoxazines;Building Blocks;OFLOXACIN INTERMIDATE;Heterocyclic Building Blocks | | Mol File: | 82419-35-0.mol |  |
| | Oxygen-fluorine acid Chemical 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) | | form | neat | | color | Off-White | | BRN | 4202751 | | CAS DataBase Reference | 82419-35-0(CAS DataBase Reference) |
| Hazard Codes | Xi | | Risk Statements | 36/37/38 | | Safety Statements | 26-36 | | WGK Germany | 3 | | HS Code | 29349990 |
| | Oxygen-fluorine acid Usage And Synthesis |
| Chemical Properties | Grey-Yellow Powder | | 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. | | General Description | (S)-(-)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid may be used in the preparation of the following:
- kynurenine aminotransferase II (KAT II) inhibitor, [(S)-(-)-9-(4-aminopiperazine-1-yl)-8-fluoro-3-methyl-6-oxo-2,3,5,6-tetrahydro-4H-1-oxa-3a-aza-phenalene-5-carboxylic acid]
- fused-ring derivatives
- N-desmethyllevofloxacin
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| | Oxygen-fluorine acid Preparation Products And Raw materials |
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