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ChemicalBook >> CAS DataBase List >> (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

(R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid price.
  • $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)-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;(R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid;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%)
Price14 Properties Safety Information Description
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
  • Packaging0.1g
  • Price$550
  • 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
  • Packaging0.05g
  • Price$343.75
  • 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
  • Packaging0.025g
  • Price$206.25
  • Updated2026-06-04
  • 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 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-D446960-10MG
  • 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 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 0.1g $550 2026-06-04 Buy
Biosynth KEA54807 Ofloxacin Q acid 0.25g $1031.25 2026-06-04 Buy
Biosynth KEA54807 Ofloxacin Q acid 0.05g $343.75 2026-06-04 Buy
Biosynth KEA54807 Ofloxacin Q acid 0.01g $150 2026-06-04 Buy
Biosynth KEA54807 Ofloxacin Q acid 0.025g $206.25 2026-06-04 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 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-D446960-10MG (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 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)

Safety Information

Symbol(GHS):
Signal word:
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
Precautionary statements:

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 9

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Suppliers and manufacturers

BOC Sciences S.Z. PhyStandard Bio-Tech. Co., Ltd. Quality Control Solutions Ltd. Wuxi Zhongkun Biochemical Technology Co., Ltd. Nanjing XiZe Biotechnology CO., Ltd. BOC Sciences Roark Standards XinYao(Shenzhen) Biological Technology Co., Ltd. Shenzhen Polymeri Biochemical Technology Co., Ltd. CR Corporation Limited