4-Chloro-N-(4-chlorophenyl)-N-(2-oxo-2-(pyrrolidin-1-yl)ethyl)benzenesulfonamide CAS 337922-10-8
| CAS No. | 337922-10-8 |
| Molecular Formula | C18H18Cl2N2O3S |
| Molecular Weight | 413.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-Chloro-N-(4-chlorophenyl)-N-(2-oxo-2-(pyrrolidin-1-yl)ethyl)benzenesulfonamide (C18H18Cl2N2O3S) contains a steroid core, 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 413.32 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.
4-Chloro-N-(4-chlorophenyl)-N-(2-oxo-2-(pyrrolidin-1-yl)ethyl)benzenesulfonamide (CAS 337922-10-8), molecular formula C18H18Cl2N2O3S and molecular weight 413.32 g/mol, is a CATO reference standard with documented purity and traceability.
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), 4-Chloro-N-(4-chlorophenyl)-N-(2-oxo-2-(pyrrolidin-1-yl)ethyl)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 | C18H18Cl2N2O3S |
| Molecular Weight | 413.32 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 2-Chloro-N-((2-(4-chlorophenyl)-4-methylthiazol-5-yl)methyl)benzenesulfonamide (CAS 866018-51-1)
- Ethyl 4-chloro-2-(((4-chlorophenyl)thio)methyl)-5-methylthieno[2,3-d]pyrimidine-6-carboxylate (CAS 885459-29-0)
- 5-Chloro-3-(((4-chlorophenyl)thio)methyl)-4-(((4-fluorophenyl)thio)methyl)-1-methyl-1H-pyrazole (CAS 318234-41-2)
- 7-Chloro-N-(4-chlorobenzyl)-2-methyl-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxamide (CAS 338778-93-1)
- 2-Chloro-9-(3-iodobenzyl)-N,N-dimethyl-9H-purin-6-amine (CAS 115204-63-2)
- 2-Chloro-N-[4-(4-hexylphenyl)-1,3-thiazol-2-yl]-2-phenylacetamide (CAS 568543-94-2)
- 3-Chloro-N-(2-iodophenyl)benzo[b]thiophene-2-carboxamide (CAS 327080-44-4)
- 3-Chloro-N-(3-iodophenyl)benzo[b]thiophene-2-carboxamide (CAS 622354-05-6)
Recommended Standards
- 3,5-Dichloro-N-(3-cyano-4-(p-tolylthio)phenyl)benzamide (CAS 306980-63-2)
- N-(5-cyano-2-((2,6-dichlorophenyl)thio)phenyl)-2-methylbenzamide (CAS 303147-53-7)
- 3,4-Dichloro-N-(3-cyano-4-(p-tolylthio)phenyl)benzamide (CAS 306980-44-9)
- N-[(E)-2-{4-[5-(2,4-dichlorophenyl)furan-2-yl]-1,3-thiazol-2-yl}ethenyl]aniline (CAS 400084-95-9)
- Methyl 5-((4-methoxybenzyl)amino)pyrazine-2-carboxylate (CAS 1204527-84-3)
- {[2-(benzyloxy)phenyl]methyl}(methyl)amine hydrochloride (CAS 1048674-37-8)
- methyl 2-(4-(1-(tert-butoxycarbonyl)piperidin-3-yl)phenyl)-2H-indazole-7-carboxylate (CAS 1038915-90-0)
- [4-(hydroxymethyl)-2,5-diiodophenyl]methanol (CAS 915706-87-5)
- 2-((2-(4-Chlorophenoxy)ethyl)(methyl)amino)-N-(1-cyanocyclopentyl)acetamide (CAS 852666-28-5)
- Methyl 6-methoxy-2-indolecarboxylate (CAS 98081-83-5)
- Bicyclo[4.2.0]octan-7-one (CAS 54211-18-6)
- 1,4-Dihydro-4-oxo-3-quinolinecarbonyl Chloride (CAS 80761-61-1)
- 4-{2-amino-4H,5H,6H-cyclopenta[b]thiophene-3-carbonyl}benzonitrile (CAS 1803585-73-0)
- Semaglutide impurity 78 (CAS CATO-C4X-222678)
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