ChemicalBook >> CAS DataBase List >>Oxygen-fluorine acid
Oxygen-fluorine acid
- CAS No.
- 82419-35-0
- Chemical Name:
- Oxygen-fluorine acid
- Synonyms
- OFLOXACIN Q ACID;Ofloxacin Carboxylic Acid;Ofloxacin-1;AURORA 21894;Olfoxacin Acid;Oxygen-fluorine;AKOS BBS-00001807;OXYGEN-FLUORINE ACID;OTAVA-BB BB0111050010;DIFLUOROCARBOYLIC ACID
- CBNumber:
- CB9427004
- Molecular Formula:
- C13H9F2NO4
- Molecular Weight:
- 281.21
- MDL Number:
- MFCD00226106
- MOL File:
- 82419-35-0.mol
- MSDS File:
- SDS
Last updated:2025-01-27 09:38:02
| 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 | solid |
| color | Off-White |
| BRN | 4202751 |
| CAS DataBase Reference | 82419-35-0(CAS DataBase Reference) |
| FDA UNII | 501W86694Z |
| UNSPSC Code | 41116107 |
| NACRES | NA.24 |
SAFETY
Risk and Safety Statements
| 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 |
Oxygen-fluorine acid price More Price(16)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 472670 | 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 | 5g | $39.36 | 2024-03-01 | Buy |
| TCI Chemical | O0404 | 9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid >98.0%(HPLC) | 82419-35-0 | 5g | $83 | 2024-03-01 | Buy |
| TCI Chemical | O0404 | 9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid >98.0%(HPLC) | 82419-35-0 | 25g | $290 | 2024-03-01 | Buy |
| Usbiological | 009538 | 9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid| | 82419-35-0 | 1g | $425 | 2021-12-16 | Buy |
| TRC | D445745 | 9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylicAcid(RS-OfloxacinCarboxylicAcid) | 82419-35-0 | 10g | $255 | 2021-12-16 | Buy |
Oxygen-fluorine acid Chemical Properties,Uses,Production
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
Oxygen-fluorine acid Preparation Products And Raw materials
Raw materials
1of2
Preparation Products
Global( 278)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Henan Fengda Chemical Co., Ltd | +86-371-86557731 +86-13613820652 | info@fdachem.com | China | 20235 | 58 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21628 | 55 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418679 +8618949832763 | info@tnjchem.com | China | 2986 | 55 |
| career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29859 | 58 |
| Hubei Jusheng Technology Co.,Ltd. | 18871490254 | linda@hubeijusheng.com | CHINA | 28172 | 58 |
| Standardpharm Co. Ltd. | 86-714-3992388 | overseasales1@yongstandards.com | United States | 14332 | 58 |
| Alchem Pharmtech,Inc. | 8485655694 | sales@alchempharmtech.com | United States | 63687 | 58 |
| CONIER CHEM AND PHARMA LIMITED | +8618523575427 | sales@conier.com | China | 49732 | 58 |
| Antai Fine Chemical Technology Co.,Limited | 18503026267 | info@antaichem.com | CHINA | 9636 | 58 |
| Hebei Yanxi Chemical Co., Ltd. | +8617531153977 | allison@yan-xi.com | China | 5854 | 58 |
View Lastest Price from Oxygen-fluorine acid manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2025-04-24 | Oxygen-fluorine acid
82419-35-0
|
US $0.00 / Kg/Drum | 1KG | 98%min | 1000kg | WUHAN FORTUNA CHEMICAL CO., LTD | |
 |
2025-03-07 | Oxygen-fluorine acid
82419-35-0
|
US $0.00 / kg | 1kg | 98.50% | 20tons | Hebei Yanxi Chemical Co., Ltd. | |
 |
2024-04-16 | Oxygen-fluorine acid
82419-35-0
|
US $36.00-1.20 / kg | 1kg | 99% | g-kg-tons, free sample is available | Henan Fengda Chemical Co., Ltd |
-
- Oxygen-fluorine acid
82419-35-0
- US $0.00 / Kg/Drum
- 98%min
- WUHAN FORTUNA CHEMICAL CO., LTD
-
- Oxygen-fluorine acid
82419-35-0
- US $0.00 / kg
- 98.50%
- Hebei Yanxi Chemical Co., Ltd.
-
- Oxygen-fluorine acid
82419-35-0
- US $36.00-1.20 / kg
- 99%
- Henan Fengda Chemical Co., Ltd
82419-35-0(Oxygen-fluorine acid)Related Search:
1of4
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
Oxygen fluorine acid(FPA)
DIFLUOROCARBOYLIC ACID
9,10-DIFLUORO-2,3-DIHYDRO-3-ME-7-OXO-7H- PYRIDO(1,2,3-DE)1,4-BENZOXAZINE-6-COOH
9,10-Difluoro-3-Methyl-7-Oxo-2,3-Dihydro 7-H-Pyrido-1,2,3-DE]-1,4-Benzoxyazine-6-Carboxylic Acid
Oxygen-fluorine
9,10-Difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylicacid
9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3de]-1,4-benzoxazine
9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic
9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid
(RS-Ofloxacin Carboxylic Acid)
Ofloxacin EP IMpurity A
(RS)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid
9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-DE]-1,4-benz-oxazine-6-carboxylic acid ,97%
9,10-difluoro-2,3-dihydro-3-me-7-oxo-7h-pyrido-1,
Oxygen-fluorine acid ,98%
9,10-DIFLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CARBO
7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CARBOXYLICACID,9,10-DIFLUORO-2,3-DIHYDRO-3-METHYL-7-OXO
Olfoxacin Acid
(RS)-9,10-Difluro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid (FPA)
9,10-difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
Ofloxacin Impurity 4(Ofloxacin EP Impurity A)
Ofloxacin Impurity A(EP)
Ofloxacin-1
Levofloxacin Hydrochloride ImpurityⅡ: Impurity A(9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid (RS-Ofloxacin Carboxylic Acid))
6,7-Difluoro-2-methyl-10-oxo-4-oxa-1-azatricyclo[7.3.1.0^{5,13}]trideca-5(13),6,8,11-tetraene-11-carboxylic acid
RS-Ofloxacin Carboxylic Acid
9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylicAcid>
Ofloxacin impurity A CRS
(RS)-9,10-Difluoro-3-methyl-7-oxo-2
(+/-)9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]lbenzoxazine-6-carboylic acid
Ofloxacin EP Impurity A (Ofloxacin Difluoro Carboxylic Acid)
Ofloxacin impurity A (O0120010)
OFLOXACIN Q ACID
Ofloxacin Carboxylic Acid
Levofloxacin Hydrochloride ImpurityⅡ: Impurity A(9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid_x000b_(RS-Ofloxacin Carboxylic Acid))
Oxygen-fluorineacid Ethambutol dihydrochloride
(RS)-9,10-Difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid
9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid
82419-35-0
C13H9F2NO4
C13H8F2NO4
Heterocyclic Building Blocks
Benzoxazines
Building Blocks
Various Intermediates
Intermediates
Intermediates & Fine Chemicals
Pharmaceuticals
Benzoxazines
Building Blocks
Heterocyclic Building Blocks