2-{4,5-Bis[(6-(2-ethoxy-2-oxoethoxy)-2-methylquinolin-8-ylamino)methyl]-6-hydoxy-3-oxo-3H-xanthen-9-yl}benzoic acid FL2E CAS 1239877-06-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1239877-06-5 |
| Molecular Formula | C50H44N4O11 |
| Molecular Weight | 876.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-{4,5-Bis[(6-(2-ethoxy-2-oxoethoxy)-2-methylquinolin-8-ylamino)methyl]-6-hydoxy-3-oxo-3H-xanthen-9-yl}benzoic acid FL2E (CAS 1239877-06-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C50H44N4O11. Molecular weight: 876.90 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C50H44N4O11 |
| Molecular Weight | 876.90 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 31.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 4 |
Related Bis Standards
- 2-{4,5-Bis[(6-(2-ethoxy-2-oxohydroxy)-2-methylquinolin-8-ylamino)methyl]-6-hydoxy-3-oxo-3H-xanthen-9-yl}benzoic acid FL2A (CAS 1239877-07-6)
- 7-Benzyl-3-ethoxy-6-ethyl-2H-thiazolo[3,2-a]pyrimidin-5(3H)-one (CAS 199852-32-9)
- 5-Benzyl-3-ethoxy-6-isopropyl-2H-thiazolo[3,2-a]pyrimidin-7(3H)-one (CAS 199852-26-1)
- 2-Ethoxy-1-[[2'-[2-(trityl)-2H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-1H-benzimidazole-4-carboxylic Acid Methyl Ester-d4 (Candesartan Impurity) (CAS 1793997-59-7)
- 22-Ethoxy-1-[[2'-[1-(triphenylmethyl)-1H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-1H-benzimidazole-7-carboxylic acid methyl ester (Candesartan Cilexetil Impurit) (CAS 150058-29-0)
- 2-Ethoxy-1-[[2’-[2-(trityl)-2H-tetrazol-5-yl][1,1’-biphenyl]-4-yl]methyl]-1H-benzimidazole-4-carboxylic Acid Methyl Ester (Candesartan Impurity) (CAS 1796932-77-8)
- 5-Benzyl-3-ethoxy-6-ethyl-2H-thiazolo[3,2-a]pyrimidin-7(3H)-one (CAS 199852-15-8)
- 2-(o-Ethoxy)-4,5-diphenylimidazole-1,2'-dimer (CAS 1842-62-2)
Recommended Standards
- Lusutrombopag Impurity 48 (CAS CATO-C4X-208448)
- (2S,3S,4R,5R,6S)-5-(Benzyloxy)-6-((5,7-bis(benzyloxy)-2-(4-(benzyloxy)phenyl)-4-oxo-4H-chromen-3-yl)oxy)-2-methyltetrahydro-2H-pyran-3,4-diyl diacetate (CAS 849938-27-8)
- Lusutrombopag Impurity 46 (CAS CATO-C4X-208446)
- Methyl 4-(methylamino)quinazoline-6-carboxylate (CAS 648449-02-9)
- 4-(Pyren-1-ylmethylene)-2-(o-tolyl)oxazol-5(4H)-one (CAS 88351-55-7)
- 4-Bromo-3-methyl-alpha-(trifluoromethyl)benzyl Alcohol (CAS 1536707-43-3)
- 1,1,2,2,3,3,4,4,4-Nonafluoro-N-(2-hydroxyethyl)-N-methyl-1-butanesulfonamide (CAS 34454-97-2)
- 1-Phenyl-1h-imidazol-2-amine (CAS 21722-08-7)
- 6-Fluoro-2-(4-fluorophenyl)quinoline-4-carboxylic acid (CAS 1543-31-3)
- Fibrinogen Related Peptide (CAS 80755-86-8)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com