n-(3-Chlorophenyl)-2,5-dimethylbenzenesulfonamide CAS 71796-19-5
| CAS No. | 71796-19-5 |
| Molecular Formula | C14H14ClNO2S |
| Molecular Weight | 295.78 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
n-(3-Chlorophenyl)-2,5-dimethylbenzenesulfonamide (CAS 71796-19-5) is a high-purity analytical reference standard with the molecular formula C14H14ClNO2S and a molecular weight of 295.78 g/mol.
Based on its molecular formula C14H14ClNO2S, n-(3-Chlorophenyl)-2,5-dimethylbenzenesulfonamide contains a nitrogen-containing heterocyclic scaffold, 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 295.78 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C14H14ClNO2S |
| Molecular Weight | 295.78 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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.) | 1977 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related n Standards
- (4-Chlorophenyl)(3-methanesulfonylphenyl)methanamine (CAS 1016509-93-5)
- Ethyl 2-(2-(4-chlorophenyl)-5-methylthiazol-4-yl)acetate (CAS 130559-77-2)
- N-(2-Chlorophenyl)-2,5-dimethylbenzenesulfonamide (CAS 71796-18-4)
- N-(4-Chlorophenyl)-2,5-dimethylbenzenesulfonamide (CAS 71796-20-8)
- 4-((4-Chlorophenyl)thio)-5-methoxy-N,N-dimethylpyrimidin-2-amine (CAS 400082-33-9)
- 4-[(3-Chlorophenyl)sulfanyl]-5-methoxy-N,N-dimethylpyrimidin-2-amine (CAS 400083-99-0)
- 5-(4-Chlorophenyl)-4-((tetrahydrofuran-2-yl)methyl)-4h-1,2,4-triazole-3-thiol (CAS 721908-12-9)
- 6-(((4-Chlorophenyl)sulfinyl)methyl)-N,2-dimethylpyrimidin-4-amine (CAS 338960-34-2)
Recommended Standards
- N-(3-Chloro-2-methylphenyl)-4-methylbenzenesulfonamide (CAS 7230-50-4)
- N-(5-chloro-2-methylphenyl)-4-methylbenzenesulfonamide (CAS 55816-01-8)
- N-(2-Chloro-4-methylphenyl)-4-methylbenzenesulfonamide (CAS 2903-37-9)
- N-[2-(chloromethyl)-phenyl]-4-methylbenzene-1-sulfonamide (CAS 243844-35-1)
- 3-(3-Mercaptopropyl)-1,1-dimethylguanidine (CAS 735253-59-5)
- Buflomedil Hydrochloride - Impurity B (FreeBase) (CAS 79967-07-0)
- 3-(4-(tert-Butyl)phenyl)-4,5-diphenyl-4H-1,2,4-triazole (CAS 444153-33-7)
- 3-(4-Chlorophenyl)-N-(3-(imidazo[1,2-a]pyridin-2-yl)phenyl)-3-(2,2,2-trifluoroacetamido)propanamide (CAS 866039-29-4)
- 3-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)difluoromethyl)-1H-1,2,4-triazol-5-amine (CAS 1823182-90-6)
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- (3Z,5Z)-6-(dimethylamino)-1,1,1-trifluoro-4-[(2-hydroxyphenyl)amino]hexa-3,5-dien-2-one 11M-727 303986-93-8 (CAS 303986-93-8)
- Semaglutide impurity 47 (CAS CATO-C4X-222647)
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