3,4-Dichloro-N-(4-((4-chlorophenyl)sulfonyl)-3-cyanophenyl)benzamide CAS 477866-83-4
| CAS No. | 477866-83-4 |
| Molecular Formula | C20H11Cl3N2O3S |
| Molecular Weight | 465.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,4-Dichloro-N-(4-((4-chlorophenyl)sulfonyl)-3-cyanophenyl)benzamide (CAS 477866-83-4) is a high-purity analytical reference standard with the molecular formula C20H11Cl3N2O3S and a molecular weight of 465.74 g/mol.
Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution, 3,4-Dichloro-N-(4-((4-chlorophenyl)sulfonyl)-3-cyanophenyl)benzamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 465.74 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 3,4-Dichloro-N-(4-((4-chlorophenyl)sulfonyl)-3-cyanophenyl)benzamide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C20H11Cl3N2O3S |
| Molecular Weight | 465.74 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 1-(4-((4-Bromophenyl)thio)-3-nitrophenyl)-N-(3-chloro-4-fluorophenyl)methanimine (CAS 301193-50-0)
- 2-((4-Chloro-N-(2,4-dichloro-5-isopropoxyphenyl)phenyl)sulfonamido)-N-methylacetamide (CAS 338967-46-7)
- Valnemulin EP Impurity B (CAS 133787-61-8)
- 4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl](methyl)amino}-3-methyl-1-{[3-(trifluoromethyl)phenyl]methyl}-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 860789-10-2)
- 1,6-dimethylpyrazolo[3,4-d]pyrimidine-4-carboxylic acid (CAS 2414325-82-7)
- Tumor Targeted Pro-Apoptotic Peptide (CAS 1926163-30-5)
- (S)-2-((tert-Butoxycarbonyl)amino)-3,3,3-trifluoropropanoic acid (CAS 932644-89-7)
- Ketoprofen Impurity 51 (CAS 144977-91-3)
- 2-(4-((tert-Butyldimethylsilyl)oxy)-2-methylbutan-2-yl)-3,5-dimethylphenol (CAS 134098-64-9)
- 5,6-Dichloro-2-(2-chloropyridin-3-yl)-1-[(4-methylphenyl)methyl]-1H-1,3-benzodiazole (CAS 338774-33-7)
- Norbornene-2,3-dicarboxylic acid (CAS 1200-88-0)
- (S)-1-prolylpiperazine (CAS 1308446-12-9)
- N-(3-isopropylbicyclo[1.1.1]Pentan-1-yl)acetamide (CAS 1886967-01-6)
- Semaglutide impurity 56 (CAS CATO-C4X-222656)
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