Ethyl (E)-2-(2-((3,5-dichlorophenyl)amino)vinyl)-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxylate CAS 240799-79-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 240799-79-5 |
| Molecular Formula | C23H16Cl2N2O4 |
| Molecular Weight | 455.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ethyl (E)-2-(2-((3,5-dichlorophenyl)amino)vinyl)-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxylate (CAS 240799-79-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C23H16Cl2N2O4. Molecular weight: 455.29 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C23H16Cl2N2O4 |
| Molecular Weight | 455.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
- 1,3-Diethyl 2-{2-[2-chloro-4-(4-chlorophenoxy)phenyl]-2-oxoethyl}-2-hydroxypropanedioate (CAS 400087-53-8)
- 5-Bromo-2-(4-fluorophenyl)-N-methyl-6-(N-methylmethylsulfonamido)benzofuran-3-carboxamide (CAS 1333225-20-9)
- Sodium (4aR,6R,7R,7aS)-6-(6-benzamido-9H-purin-9-yl)-7-hydroxytetrahydro-4H-furo[3,2-d][1,3,2]dioxaphosphinin-2-olate 2-oxide (CAS 1135306-29-4)
- (2R)-3-Fluoro-1,2-propanediol (CAS 32860-39-2)
- 4-Chloro-2-(2-methoxyethyl)-6-(1-methyl-1H-pyrazol-4-yl)pyrimidine (CAS 1708199-18-1)
- 5-Bromoimidazo[1,2-a]pyrazin-3-amine (CAS 1936126-32-7)
- 5-(Thiophen-2-yl)-1-[3-(trifluoromethyl)phenyl]-1h-1,2,4-triazole-3-carboxylic acid (CAS 929972-60-1)
- 2-(2-METHYLPROPYL)PYRROLIDINE HCL (CAS 1184994-37-3)
- 5-Nitro-3-phenethoxy-1H-indazole (CAS 1365942-40-0)
- Calcium-Like Peptide 3 (CAS 261969-05-5)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com