N-(2,5-Dichlorophenyl)benzenesulfonamide CAS 107342-08-5
| CAS No. | 107342-08-5 |
| Molecular Formula | C12H9Cl2NO2S |
| Molecular Weight | 302.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution, N-(2,5-Dichlorophenyl)benzenesulfonamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 302.18 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
N-(2,5-Dichlorophenyl)benzenesulfonamide (CAS 107342-08-5) is a high-purity analytical reference standard with the molecular formula C12H9Cl2NO2S and a molecular weight of 302.18 g/mol.
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), N-(2,5-Dichlorophenyl)benzenesulfonamide 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 | C12H9Cl2NO2S |
| Molecular Weight | 302.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related N Standards
- Ethyl 2-(2,4-dichlorophenyl)thiazole-4-carboxylate (CAS 1185155-89-8)
- Ethyl 2-(3,5-dichlorophenyl)thiazole-4-carboxylate (CAS 132089-38-4)
- Ethyl 2-(2,3-dichlorophenyl)thiazole-4-carboxylate (CAS 175276-86-5)
- [(2,5-Dichlorophenyl)sulphonyl]phenylamine (CAS 91498-90-7)
- 1-(2,5-Dichlorophenyl)-2-((4-methyl-4h-1,2,4-triazol-3-yl)thio)ethan-1-one (CAS 749219-92-9)
- 1-(3,4-Dichlorophenyl)-2-((4-methyl-4h-1,2,4-triazol-3-yl)thio)ethan-1-one (CAS 717130-24-0)
- N-(2,4-Dichlorophenyl)benzenesulfonamide (CAS 328258-27-1)
- N-(2,6-Dichlorophenyl)benzenesulfonamide (CAS 77167-06-7)
Recommended Standards
- Phenyltin Trichloride (CAS 1124-19-2)
- Bromfenac Impurity 78 (CAS CATO-C4X-200278)
- 4-Chloro-N-(3-chlorophenyl)benzenesulfonamide (CAS 1216-98-4)
- Bromfenac Impurity 68 (CAS CATO-C4X-200268)
- 4'-Methoxy-[1,1'-biphenyl]-3-thiol (CAS 933674-68-1)
- Meclizine N,N'-Dioxide (CAS 114624-70-3)
- 4-Methyl-8-(trifluoromethyl)-2,3,4,5-tetrahydrobenzo[f][1,2]thiazepine 1,1-dioxide (CAS 1301768-19-3)
- N-Acetylhomotaurine-d6 (CAS 1225580-69-7)
- ethyl 3-oxazol-4-ylpiperidine-1-carboxylate (CAS 2383660-95-3)
- 3-Amino-2-ethyl-5-phenylthieno[2,3-d]pyrimidin-4(3H)-one (CAS 43088-56-8)
- N-(3-acetylphenyl)-3,4-dichlorobenzenesulfonamide (CAS 338966-28-2)
- (E)-5-Benzylidene-2-(4-methylpiperidin-1-yl)thiazol-4(5H)-one (CAS 339321-00-5)
- Relebactam (CAS 1174018-99-5)
- Peptide Impurity 64 (CAS CATO-CPTD788964)
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