2,4-Dichloro-N-methylbenzenesulfonamide CAS 565181-75-1
| CAS No. | 565181-75-1 |
| Molecular Formula | C7H7Cl2NO2S |
| Molecular Weight | 240.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H7Cl2NO2S, 2,4-Dichloro-N-methylbenzenesulfonamide contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 240.11 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.
CATO supplies 2,4-Dichloro-N-methylbenzenesulfonamide (CAS 565181-75-1), a certified reference material (molecular formula C7H7Cl2NO2S, MW 240.11 g/mol) for analytical method development and quality control.
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 | C7H7Cl2NO2S |
| Molecular Weight | 240.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Dichloro Standards
- 4,5-Dichloro-2-methylbenzenesulfonamide (CAS 1206143-13-6)
- 4,5-dichloro-2-methanesulfonylaniline (CAS 1505059-71-1)
- 2,5-Dichloro-3-methylbenzenesulfonamide (CAS 1803812-69-2)
- 2,6-Dichloro-4-[(methylsulfonyl)methyl]pyridine (CAS 1864483-95-3)
- 2,3-Dichloro-n-methylbenzenesulfonamide (CAS 441296-33-9)
- 2,4-Dichloro-3-methylbenzenesulfonamide (CAS 361463-95-8)
- 2,4-Dichloro-5-methylbenzenesulfonamide (CAS 22954-90-1)
- 2,4-Dichloro-6-methylbenzenesulfonamide (CAS 568577-80-0)
Recommended Standards
- 2,5-Dichloro-N-methoxy-N-methylthiophene-3-carboxamide (CAS 210097-99-7)
- 2,5-Dichloro-n-methylbenzene-1-sulfonamide (CAS 6326-15-4)
- 2,6-Dichloro-3-methylbenzene-1-sulfonamide (CAS 872277-65-1)
- 2,6-Dichloro-4-(methylsulfonyl)aniline (CAS 80866-96-2)
- 2-Bromo-5-(thiazolidin-3-yl)benzonitrile (CAS 1779128-30-1)
- 1-tert-Butyl-3-ethylbenzene (CAS 14411-56-4)
- 2-(2-Methoxyphenyl)-6-methylquinoline-4-carbonyl chloride (CAS 1160253-73-5)
- tert-Butyl 2-(6-(tert-butylthio)pyridin-3-yl)piperidine-1-carboxylate (CAS 1352494-67-7)
- Tert-butyl 4-(4-cyanopyridin-2-yl)piperazine-1-carboxylate (CAS 884507-31-7)
- Butyl (1S,2S)-2-Fluorocyclopropanecarboxylate (CAS 177933-52-7)
- (3-Amino-2,2-dimethylpropyl)(methyl)amine (CAS 92238-44-3)
- 2-Bromo-8-hydroxyimidazo[1,2-b]pyridazine-7-carboxylic acid (CAS 1579103-58-4)
- 6-Chloro-3-phenethylpyrimidine-2,4(1H,3H)-dione (CAS 1312137-88-4)
- Semaglutide impurity 208 (CAS CATO-C4X-2226208)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com