N-(Benzenesulfonyl)-N-(4-chloro-3-methyl-1,2-oxazol-5-yl)benzenesulfonamide CAS 478262-56-5
| CAS No. | 478262-56-5 |
| Molecular Formula | C16H13ClN2O5S2 |
| Molecular Weight | 412.87 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 412.87 g/mol gives N-(Benzenesulfonyl)-N-(4-chloro-3-methyl-1,2-oxazol-5-yl)benzenesulfonamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
N-(Benzenesulfonyl)-N-(4-chloro-3-methyl-1,2-oxazol-5-yl)benzenesulfonamide (CAS 478262-56-5) is a high-purity analytical reference standard with the molecular formula C16H13ClN2O5S2 and a molecular weight of 412.87 g/mol.
Based on its molecular formula C16H13ClN2O5S2, N-(Benzenesulfonyl)-N-(4-chloro-3-methyl-1,2-oxazol-5-yl)benzenesulfonamide contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 412.87 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), N-(Benzenesulfonyl)-N-(4-chloro-3-methyl-1,2-oxazol-5-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 | C16H13ClN2O5S2 |
| Molecular Weight | 412.87 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related N Standards
- (2Z)-2-(Benzenesulfonyl)-3-(dimethylamino)-1-(4-methyl-2-phenyl-1,3-thiazol-5-yl)prop-2-en-1-one (CAS 866017-79-0)
- 1-(Benzenesulfonyl)-N-[4-(trifluoromethyl)phenyl]piperidine-4-carboxamide (CAS 478041-54-2)
- 1-[1-(Benzenesulfonyl)piperidine-4-carbonyl]-4-phenylpiperazine (CAS 478041-49-5)
- 4-(Benzenesulfonyl)-6-(ethanesulfonyl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid (CAS 866051-05-0)
- 4-{[(E)-2-(benzenesulfonyl)-2-nitroethenyl]amino}-N,N-dimethylbenzene-1-sulfonamide (CAS 338397-56-1)
- 2-(Benzenesulfonyl)-3-[(3,4,4-trifluorobut-3-en-1-yl)oxy]-5-(trifluoromethyl)pyridine (CAS 478032-31-4)
- 3-[(Benzenesulfonyl)methyl]-2-(4-chlorobenzoyl)-1-benzofuran (CAS 338411-57-7)
- 2-(Benzenesulfonyl)-5-(4-bromophenyl)-5-oxopentanamide (CAS 400075-39-0)
Recommended Standards
- Diethyl 5-(4-chlorophenyl)-1-(m-tolyl)-1H-pyrazole-3,4-dicarboxylate (CAS 96722-97-3)
- Nizofenone (CAS 54533-85-6)
- 7-(2-(4-(3-Chlorophenyl)piperazin-1-yl)-2-oxoethoxy)-4-methyl-2H-chromen-2-one (CAS 742116-89-8)
- Tadalafil Impurity 145 (CAS 629652-47-7)
- 3,5-Dimethyl-1-adamantylzinc bromide 0.5 M in Tetrahydrofuran (CAS 312692-99-2)
- 4-Oxo-4,5,6,7-tetrahydrofuro[3,2-c]pyridine-2-carbonitrile (CAS 1708445-20-8)
- 4-Hydroxyphenyl methanesulfonate (CAS 59722-33-7)
- 2,4,6-Trichlorobenzylidene dichloride (CAS 28744-45-8)
- Imidazo[1,2-a]pyridine-7-carboxylic acid, 3-bromo-2-methyl-, ethyl ester (CAS 1315362-89-0)
- Vitamin Impurity 34 (CAS 54573-75-0)
- Ethyl 7-Oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-6-carboxylate (CAS 29274-18-8)
- N-(5-Amino-1H-indazol-3-yl)benzamide (CAS 599183-42-3)
- 1-(6-(Cyclopentylamino)-9-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-9H-purin-2-yl)-N-ethyl-1H-pyrazole-4-carboxamide (CAS 920974-60-3)
- Semaglutide impurity 277 (CAS CATO-C4X-2226277)
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