4-((4-Chlorophenyl)sulfonyl)benzaldehyde CAS 77422-24-3
| CAS No. | 77422-24-3 |
| Molecular Formula | C13H9ClO3S |
| Molecular Weight | 280.73 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
4-((4-Chlorophenyl)sulfonyl)benzaldehyde (CAS 77422-24-3), molecular formula C13H9ClO3S and molecular weight 280.73 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C13H9ClO3S, 4-((4-Chlorophenyl)sulfonyl)benzaldehyde contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 280.73 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
As a certified reference material (CRM), 4-((4-Chlorophenyl)sulfonyl)benzaldehyde 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 | C13H9ClO3S |
| Molecular Weight | 280.73 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chlorophenyl Standards
- 2-[(4-Chlorophenyl)sulfonyl]benzaldehyde (CAS 1004293-22-4)
- 3-[(4-chlorophenyl)sulfanyl]-5-nitroaniline (CAS 208038-97-5)
- 5-((4-Chlorophenyl)thio)-2-nitroaniline (CAS 60853-98-7)
- n-(3-Chlorophenyl)-n-(4-formyl-1,3-thiazol-2-yl)acetamide (CAS 854035-93-1)
- n-(4-Chlorophenyl)-n-(4-formyl-1,3-thiazol-2-yl)acetamide (CAS 21278-72-8)
- 1-{4-[(4-Chlorophenyl)thio]-3-fluorophenyl}ethanone (CAS 1030429-38-9)
- 1-(4-(4-Acetyl-2-chlorophenyl)piperazin-1-yl)ethan-1-one (CAS 1283466-18-1)
- Ethyl 1-(2-Chlorophenyl)-4-oxocyclohexanecarboxylate (CAS 1385694-52-9)
Recommended Standards
- 3-benzoylbenzene-1-sulfonyl chloride (CAS 53558-61-5)
- 4-(Phenyldiazenyl)benzene-1-sulfonyl chloride (CAS 58359-53-8)
- 2-(Benzylthio)-5-chloropyrimidine-4-carboxylic acid (CAS 926234-27-7)
- 7-Chloro-benzo[d]imidazo[2,1-b]thiazole-2-carboxylic acid ethyl ester (CAS 81022-05-1)
- 3-Amino-N-(2-chloro-5-methoxyphenyl)-6-(pyridin-4-yl)thieno[2,3-b]pyridine-2-carboxamide (CAS 625370-63-0)
- (E)-{[4-(benzyloxy)phenyl]methylidene}amino 4-(trifluoromethyl)benzoate (CAS 478046-78-5)
- N-(3-Methyl-6-(methylsulfonyl)benzo[d]thiazol-2(3H)-ylidene)cyclopropanecarboxamide (CAS 683237-33-4)
- 2-Chloro-N-(3-chlorophenyl)benzamide (CAS 2447-89-4)
- 1-(3-Chlorobenzyl)-3-methyl-1h-pyrazol-5-amine (CAS 1006682-91-2)
- Ethyl 2-([1,1'-biphenyl]-2-yloxy)acetate (CAS 107352-46-5)
- 2-tert-butyl-4-hydroxy-6-methylpyrimidine-5-carboxylic acid (CAS 949792-16-9)
- 3-Hydroxy-2,3-dimethylbutan-2-yl hydrogen [3,3'-bithiophen]-5-ylboronate (CAS 1402166-51-1)
- Butylsuccinic Anhydride (CAS 2035-76-9)
- MLCK inhibitor peptide 18 (CAS 224579-74-2)
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 18665070610 / Nicole.chen@cato-chem.com