3-Chloro-4-(5-oxo-3-(p-tolyl)imidazolidin-1-yl)benzenesulfonamide CAS 53298-05-8
| CAS No. | 53298-05-8 |
| Molecular Formula | C16H16ClN3O3S |
| Molecular Weight | 365.83 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3-Chloro-4-(5-oxo-3-(p-tolyl)imidazolidin-1-yl)benzenesulfonamide (C16H16ClN3O3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 365.83 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
3-Chloro-4-(5-oxo-3-(p-tolyl)imidazolidin-1-yl)benzenesulfonamide (CAS 53298-05-8) is a high-purity analytical reference standard with the molecular formula C16H16ClN3O3S and a molecular weight of 365.83 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), 3-Chloro-4-(5-oxo-3-(p-tolyl)imidazolidin-1-yl)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 | C16H16ClN3O3S |
| Molecular Weight | 365.83 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chloro Standards
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Recommended Standards
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- 2-Bromo-5-(methylsulfonyl)thiazole (CAS 58534-03-5)
- 2-(3,5-Difluoro-4-((3-(5-methoxy-4-((3-methoxypyridin-4-yl)amino)pyrimidin-2-yl)-1H-indazol-1-yl)methyl)phenoxy)ethan-1-ol (CAS 1891087-61-8)
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