ChemicalBook >> CAS DataBase List >>DFSX-2
DFSX-2
- CAS No.
- 442526-91-2
- Chemical Name:
- DFSX-2
- Synonyms
- Delafloxcain;DFSX-2;CB12718322;Delafloxacin impurities6;Ethyl 1-(6-amino-3,5-difluoropyridin-2-yl)-6-fluoro-7-(3-(isobutyryloxy)azetidin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylate;1-(6-amino-3,5-difluoropyridin-2-yl)-6-fluoro-7-(3-isobutyryloxyazetidin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid ethyl ester;3-Quinolinecarboxylic acid, 1-(6-amino-3,5-difluoro-2-pyridinyl)-6-fluoro-1,4-dihydro-7-[3-(2-methyl-1-oxopropoxy)-1-azetidinyl]-4-oxo-, ethyl ester
- CBNumber:
- CB12718322
- Molecular Formula:
- C24H23F3N4O5
- Molecular Weight:
- 504.46
- MDL Number:
- MFCD28502536
- MOL File:
- 442526-91-2.mol
- MSDS File:
- SDS
Last updated:2026-05-27 23:24:09
| Melting point | 201-209 °C(Solv: water (7732-18-5)) |
|---|---|
| Boiling point | 652.5±55.0 °C(Predicted) |
| Density | 1.47±0.1 g/cm3(Predicted) |
| storage temp. | Store at -20 °C |
| solubility |
DMSO: Sparingly soluble: 1-10 mg/ml Ethanol: Slightly soluble: 0.1-1 mg/ml |
| pka | 0.92±0.10(Predicted) |
| Appearance | Off-White Solid |
| InChIKey | VMXLACIKUJJQTC-UHFFFAOYSA-N |
| SMILES | N1(C2=NC(N)=C(F)C=C2F)C2=C(C=C(F)C(N3CC(OC(=O)C(C)C)C3)=C2)C(=O)C(C(OCC)=O)=C1 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H302+H312+H332-H315-H319-H335 |
| Precautionary statements | P261-P280-P305+P351+P338 |
DFSX-2 price
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Cayman Chemical | 41981 | DFSX-2 ≥98% | 442526-91-2 | 50mg | $50 | 2026-04-30 | Buy |
| Cayman Chemical | 41981 | DFSX-2 ≥98% | 442526-91-2 | 100mg | $95 | 2026-04-30 | Buy |
| Cayman Chemical | 41981 | DFSX-2 ≥98% | 442526-91-2 | 500mg | $396 | 2026-04-30 | Buy |
| Cayman Chemical | 41981 | DFSX-2 ≥98% | 442526-91-2 | 1g | $693 | 2026-04-30 | Buy |
| ACHEMBLOCK | L13781 | DFSX-2 98% | 442526-91-2 | 5G | $225 | 2026-05-27 | Buy |
DFSX-2 Chemical Properties, Uses, Production
Description
DFSX-2 is a precursor in the synthesis of the fluoroquinolone antibiotic ABT-492 (delafloxacin; Item Nos. 20314 | 27935).1WARNING This product is not for human or veterinary use.
References
[1] ANTHONY R. HAIGHT. Synthesis of the Quinolone ABT-492: Crystallizations for Optimal Processing[J]. Organic Process Research & Development, 2006, 10 4: 751-756. DOI: 10.1021/op060054e
DFSX-2 Preparation Products And Raw materials
Raw materials
Preparation Products
Global Suppliers ( 75)
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Elucigen bio | 13501719342 13501719342 | wayne.zheng@elucigenbio.com | China | 5000 | 58 |
| Shanghai Boyle Chemical Co., Ltd. | sales@boylechem.com | China | 2915 | 55 | |
| Beijing HwrkChemical Technology Co., Ltd | 89508211 18501085097 | sales.bj@hwrkchemical.com | China | 9407 | 55 |
| Nanjing Chemlin Chemical Co., Ltd | 025-83697070 13770331960 | info@chemlin.com.cn | China | 16306 | 64 |
| Nanjing Sunlida Biological Technology Co., Ltd. | 025-57798810 18652991625 | sales@sunlidabio.com | China | 3223 | 55 |
| Shanghai Mixiu Chemical Co., Ltd. | 18101936766 | eileen@shmychem.com | China | 349 | 55 |
| Guangzhou BestWay Pharmaceutical Technology Co., Ltd. | +86-20-13924213170 | baimei141202@163.com | China | 8 | 55 |
| Twochem Co.Ltd | 021-021-58111628 15800915896 | sales@twochem.com | China | 303 | 55 |
| Wellman Pharmaceutical Group Limited | 15807197853 18971451745 | 15807197853@163.com | China | 3976 | 58 |
| Shanghai Biopharmaleader Co., Ltd. | +86 18721201413 | sales@biopharmaleader.com | China | 1711 | 58 |
View Latest Price from DFSX-2 manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-09-18 | Dfsx-2
442526-91-2
|
1g | More Than 99% | 100kg/Month | BEIJING SJAR TECHNOLOGY DEVELOPMENT CO., LTD. | ||
 |
2026-09-18 | DFSX-2;Ethyl 1-(6-amino-3,5-difluoropyridin-2-yl)-6-fluoro-7-(3-(isobutyryloxy)azetidin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylate
442526-91-2
|
1kg | 99% | 6000kg | Jinan Jianfeng Chemical Co., Ltd | ||
 |
2020-02-18 | DFSX-2
442526-91-2
|
$8.00 | 1KG | ＞98% HPLC | 20 tons | Career Henan Chemical Co |
-
- Dfsx-2
442526-91-2
- $0.00
- More Than 99%
- BEIJING SJAR TECHNOLOGY DEVELOPMENT CO., LTD.
-
- DFSX-2;Ethyl 1-(6-amino-3,5-difluoropyridin-2-yl)-6-fluoro-7-(3-(isobutyryloxy)azetidin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylate
442526-91-2
- 99%
- Jinan Jianfeng Chemical Co., Ltd
-
- DFSX-2
442526-91-2
- $8.00
- ＞98% HPLC
- Career Henan Chemical Co
442526-91-2 (DFSX-2) Related Search:
NA
Delafloxacin Impurity 8
Deschloro Delafloxacin Ethyl Ester
Delafloxacin Dimer Impurity 1
Benzenepropanoic acid, α-[[(6-amino-3,5-difluoro-2-pyridinyl)amino]methylene]-3-chloro-2,4,5-trifluoro-β-oxo-, ethyl ester
NA
Delafloxacin Ethyl Ester
3-Quinolinecarboxylic acid, 1-(6-amino-3,5-difluoro-2-pyridinyl)-8-chloro-6,7-difluoro-1,4-dihydro-4-oxo-, ethyl ester
NA
NA
Delafloxacin Impurity 7
Deschloro Delafloxacin
NA
3-quinolinecarboxylic acid, 1-(6-amino-3,5-difluoro-2-pyridinyl)-7-[3-[3-[[1-(6-amino-3,5-difluoro-2-pyridinyl)-3-carboxy-8-chloro-6-fluoro-1,4-dihydro-4-oxo-7-quinolinyl]amino]-2-hydroxypropoxy]-1-azetidinyl]-8-
Atracurium Iodide (Mixture of Diastereomers)
1of4
DFSX-2
Ethyl 1-(6-amino-3,5-difluoropyridin-2-yl)-6-fluoro-7-(3-(isobutyryloxy)azetidin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylate
Delafloxcain
3-Quinolinecarboxylic acid, 1-(6-amino-3,5-difluoro-2-pyridinyl)-6-fluoro-1,4-dihydro-7-[3-(2-methyl-1-oxopropoxy)-1-azetidinyl]-4-oxo-, ethyl ester
1-(6-amino-3,5-difluoropyridin-2-yl)-6-fluoro-7-(3-isobutyryloxyazetidin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid ethyl ester
Delafloxacin impurities6
CB12718322
442526-91-2
C24H23F3N4O5
