(R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
![(R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid price.](/CAS/20180703/GIF/110548-07-7.gif)
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- $150 - $1031.25
- Product name: (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
- CAS: 110548-07-7
- MF: C13H9F2NO4
- MW: 281.21
- EINECS:
- MDL Number:
- Synonyms:(R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid;(R)-Ofloxacin Carboxylic Acid;Levofloxacin-12;Levofloxacin impurity 14/(R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid;(R)-(+)-9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid;Levofloacin Impurity L;7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-, (3R)-;(3R)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid (>85%)
14 prices
Selected condition：
Brand
- aablocks
- Biosynth
- TRC
- Usbiological
Package
- 5mg
- 0.01g
- 10mg
- 0.025g
- 25mg
- 0.05g
- 0.1g
- 0.25g
- Manufactureraablocks
- Product numberAA00942E
- Product description(3R)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid(>85%)
- Packaging5mg
- Price$299
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA00942E
- Product description(3R)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid(>85%)
- Packaging10mg
- Price$421
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA00942E
- Product description(3R)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid(>85%)
- Packaging25mg
- Price$692
- Updated2026-05-28
- Buy
- ManufacturerBiosynth
- Product numberKEA54807
- Product descriptionOfloxacin Q acid
- Packaging0.05g
- Price$343.75
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberKEA54807
- Product descriptionOfloxacin Q acid
- Packaging0.25g
- Price$1031.25
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberKEA54807
- Product descriptionOfloxacin Q acid
- Packaging0.025g
- Price$206.25
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberKEA54807
- Product descriptionOfloxacin Q acid
- Packaging0.01g
- Price$150
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberKEA54807
- Product descriptionOfloxacin Q acid
- Packaging0.1g
- Price$550
- Updated2026-06-04
- Buy
- ManufacturerTRC
- Product numberTRC-D446960-10MG
- Product description(3R)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid (>85%)
- Packaging10mg
- Price$376
- Updated2026-06-03
- Buy
- ManufacturerTRC
- Product numberD446960
- Product description(3R)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylicAcid
- Packaging5mg
- Price$165
- Updated2021-12-16
- Buy
- ManufacturerTRC
- Product numberTRC-D446960-5MG
- Product description(3R)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid (>85%)
- Packaging5mg
- Price$223
- Updated2026-06-03
- Buy
- ManufacturerTRC
- Product numberTRC-D446960-25MG
- Product description(3R)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid (>85%)
- Packaging25mg
- Price$714
- Updated2026-06-03
- Buy
- ManufacturerUsbiological
- Product number428034
- Product description(3R)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid
- Packaging10mg
- Price$814
- Updated2026-06-03
- Buy
- ManufacturerUsbiological
- Product number428034
- Product description(3R)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid
- Packaging5mg
- Price$468
- Updated2026-06-03
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| aablocks | AA00942E | (3R)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid(>85%) | 5mg | $299 | 2026-05-28 | Buy |
| aablocks | AA00942E | (3R)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid(>85%) | 10mg | $421 | 2026-05-28 | Buy |
| aablocks | AA00942E | (3R)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid(>85%) | 25mg | $692 | 2026-05-28 | Buy |
| Biosynth | KEA54807 | Ofloxacin Q acid | 0.05g | $343.75 | 2026-06-04 | Buy |
| Biosynth | KEA54807 | Ofloxacin Q acid | 0.25g | $1031.25 | 2026-06-04 | Buy |
| Biosynth | KEA54807 | Ofloxacin Q acid | 0.025g | $206.25 | 2026-06-04 | Buy |
| Biosynth | KEA54807 | Ofloxacin Q acid | 0.01g | $150 | 2026-06-04 | Buy |
| Biosynth | KEA54807 | Ofloxacin Q acid | 0.1g | $550 | 2026-06-04 | Buy |
| TRC | TRC-D446960-10MG | (3R)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid (>85%) | 10mg | $376 | 2026-06-03 | Buy |
| TRC | D446960 | (3R)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylicAcid | 5mg | $165 | 2021-12-16 | Buy |
| TRC | TRC-D446960-5MG | (3R)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid (>85%) | 5mg | $223 | 2026-06-03 | Buy |
| TRC | TRC-D446960-25MG | (3R)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid (>85%) | 25mg | $714 | 2026-06-03 | Buy |
| Usbiological | 428034 | (3R)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid | 10mg | $814 | 2026-06-03 | Buy |
| Usbiological | 428034 | (3R)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid | 5mg | $468 | 2026-06-03 | Buy |
Properties
Boiling point :459.2±45.0 °C(Predicted)
Density :1.61±0.1 g/cm3(Predicted)
pka :4.87±0.40(Predicted)
Density :1.61±0.1 g/cm3(Predicted)
pka :4.87±0.40(Predicted)
Safety Information
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Description
The R-enantiomer of Levofloxacin Carboxylic Acid (L360250); an impurity of Levofloxacin. The (S)-enantiomer is substantially the more active.More related product prices
(3S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid monohydrochloride Dodecyl acrylate 9-Defluoro-9-(4-Methyl-1-piperazinyl) Levofloxacin Levofloxacin N-oxide N,N'-Desethylene-N,N'-diforMyl Levofloxacin Descarboxyl Levofloxacin Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate Levofloxacin hydrochloride Levofloxacin carboxylic acid Desmethyl Levofloxacin D-OFLOXACIN Levofloxacin-d8 Oxygen-fluorine acid 138199-71-0 82419-52-1 94695-50-8 Defluoro Levofloxacin 9-Piperazino Ofloxacin Levofloxacin Impurity 9Related product price
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