Ethyl 4-(2-(4-((4-chloro-1-(3-chloro-4-methylphenyl)-2,5-dioxo-2,5-dihydro-1H-pyrrol-3-yl)amino)phenyl)acetamido)benzoate CAS 6857-78-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 6857-78-9 |
| Molecular Formula | C28H23Cl2N3O5 |
| Molecular Weight | 552.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ethyl 4-(2-(4-((4-chloro-1-(3-chloro-4-methylphenyl)-2,5-dioxo-2,5-dihydro-1H-pyrrol-3-yl)amino)phenyl)acetamido)benzoate (CAS 6857-78-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C28H23Cl2N3O5. Molecular weight: 552.41 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C28H23Cl2N3O5 |
| Molecular Weight | 552.41 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- Sitagliptin impurity 113 (CAS CATO-C4X-1144113)
- (4-Oxo-3-{[3-(trifluoromethyl)benzoyloxy]methyl}-3,4-dihydro-2H-1-benzopyran-3-yl)methyl 3-(trifluoromethyl)benzoate (CAS 338755-81-0)
- Betamethasone impurity 95 (CAS 1815577-58-2)
- 2,6-Dichloro-benzaldehyde oxime (CAS 25185-95-9)
- Methyl 4-chloro-5-iodonicotinate (CAS 1401792-43-5)
- 1-methyl-N-(prop-2-en-1-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine (CAS 102353-76-4)
- (6S)-Hexahydro-1,4-oxazepin-6-ol (hydrochloride) (CAS 2708343-61-5)
- 2,5-Dimethyl-3-phenylbenzofuran (CAS 69740-66-5)
- 2-(Aminomethyl)-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-acetonitrile (CAS 1804710-89-1)
- Semaglutide impurity 206 (CAS CATO-C4X-2226206)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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