2-[N-(4-Chlorophenyl)benzenesulfonamido]-N-(3,5-dichlorophenyl)acetamide CAS 337922-46-0
| CAS No. | 337922-46-0 |
| Molecular Formula | C20H15Cl3N2O3S |
| Molecular Weight | 469.77 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-[N-(4-Chlorophenyl)benzenesulfonamido]-N-(3,5-dichlorophenyl)acetamide is closely related to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-[N-(4-Chlorophenyl)benzenesulfonamido]-N-(3,5-dichlorophenyl)acetamide (CAS 337922-46-0), molecular formula C20H15Cl3N2O3S and molecular weight 469.77 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-[N-(4-Chlorophenyl)benzenesulfonamido]-N-(3,5-dichlorophenyl)acetamide (C20H15Cl3N2O3S) 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 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 469.77 g/mol, it falls into the moderately-high-molecular-weight range. 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.
CATO manufactures 2-[N-(4-Chlorophenyl)benzenesulfonamido]-N-(3,5-dichlorophenyl)acetamide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H15Cl3N2O3S |
| Molecular Weight | 469.77 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) | 13.0 |
| 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 N Standards
- 4-Chlorophenyl 2-{N-[3-(trifluoromethyl)phenyl]benzenesulfonamido}acetate (CAS 343373-84-2)
- 2-(4-Chlorophenyl)-4-(1,3-dioxo-1,3-dihydro-2H-inden-2-ylidene)-6-(pyridin-2-yl)tetrahydropyrrolo[3,4-c]pyrrole-1,3(2H,3aH)-dione (CAS 321392-13-6)
- N-(2-((4-chlorophenyl)sulfonyl)ethyl)-2-((3-(trifluoromethyl)phenyl)sulfonyl)acetamide (CAS 337923-11-2)
- Ethyl (3-((4-(3-chlorophenyl)piperazin-1-yl)sulfonyl)-1-methyl-1H-pyrazole-4-carbonyl)glycinate (CAS 1189462-53-0)
- 3-(5-((3-(4-Chlorophenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)-4-oxo-2-thioxothiazolidin-3-yl)propanoic acid (CAS 1010865-12-9)
- 3-((4-Chlorophenyl)sulfonyl)-N-(1-phenylethyl)thieno[2,3-e][1,2,3]triazolo[1,5-a]pyrimidin-5-amine (CAS 892737-34-7)
- 3-((4-Chlorophenyl)sulfonyl)-N-(3,5-dimethylphenyl)thieno[2,3-e][1,2,3]triazolo[1,5-a]pyrimidin-5-amine (CAS 892738-43-1)
- N-(2-Chlorophenyl)-2-{[3-ethyl-7-(4-methylphenyl)-4-oxo-3H,4H-thieno[3,2-d]pyrimidin-2-yl]sulfanyl}acetamide (CAS 1040632-44-7)
Recommended Standards
- 2-((2,5-Dichloro-N-(2-chlorophenyl)phenyl)sulfonamido)-N-phenylacetamide (CAS 337922-17-5)
- Regorafenib Impurity 4 (CAS 1187945-05-6)
- (E)-N-((2-(2-chlorophenyl)hydrazono)methyl)-2,5-bis(2,2,2-trifluoroethoxy)benzamide (CAS 400081-41-6)
- 1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-N-(2-(trifluoromethyl)phenyl)-1H-pyrrole-2-sulfonamide (CAS 338406-58-9)
- (2-Acetamidoimidazo[1,2-a]pyridin-6-yl)boronic acid (CAS 947249-11-8)
- 5-Bromo-4-((2,4-dichlorobenzyl)thio)-2-(methylthio)pyrimidine (CAS 6341-65-7)
- 3-(6-Methylpyridin-2-yl)-3H-[1,2,3]triazolo[4,5-b]pyridine (CAS 62052-29-3)
- 5-(4-Chlorophenyl)-6-methylthiazolo[3,2-b][1,2,4]triazole (CAS 1632154-29-0)
- Ethyl 2-((pyridin-4-ylmethyl)amino)nicotinate (CAS 1035055-46-9)
- N-(5-Amino-2-methoxyphenyl)-4-(hexyloxy)benzamide (CAS 1830160-36-5)
- 1-(chloromethyl)-3,5-bis(trifluoromethyl)benzene (CAS 75462-59-8)
- H-Ala-Ala-OMe · HCl (CAS 41036-19-5)
- N-(sec-Butyl)-3-chloro-5-(trifluoromethyl)-2-pyridinamine (CAS 1036594-37-2)
- (D-His1)-Exenatide trifluoroacetate salt (CAS 1678417-09-8)
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