3,4-Dichloro-n-methylbenzenesulfonamide CAS 5836-54-4
| CAS No. | 5836-54-4 |
| Molecular Formula | C7H7Cl2NO2S |
| Molecular Weight | 240.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3,4-Dichloro-n-methylbenzenesulfonamide (CAS 5836-54-4), molecular formula C7H7Cl2NO2S and molecular weight 240.11 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H7Cl2NO2S, 3,4-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. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 3,4-Dichloro-n-methylbenzenesulfonamide 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 | 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.) | 1958 |
| 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
- 3,4-Dichlorobenzenemethanesulfonamide (CAS 904674-08-4)
- 3,5-Dichloro-4-methylbenzene-1-sulfonamide (CAS 861518-65-2)
- 2,6-Dichloro-N-methylbenzenesulfonamide (CAS 19818-11-2)
- 3,5-Dichloro-N-methylbenzenesulfonamide (CAS 344298-10-8)
- (S)-3-((5-amino-1,3,4-thiadiazol-2-yl)thio)-1,1,1-trifluoropropan-2-ol (CAS 477762-55-3)
- 5-[2-(9h-carbazol-9-yl)ethyl]-4-cyclohexyl-4h-1,2,4-triazole-3-thiol (CAS 328556-77-0)
- 3-(3-Chloro-4-methylphenyl)propanoic acid (CAS 878466-41-2)
- 3-(2-(But-3-en-1-ylthio)ethyl)thietane 1,1-dioxide (CAS 1862841-19-7)
- (Z)-[Amino({2-[(2-chloro-1,3-thiazol-5-yl)methoxy]phenyl})methylidene]amino benzoate (CAS 1273562-41-6)
- (4-Cyclopropylpyrimidin-5-yl)boronic acid (CAS 1428882-14-7)
- 4-NP-SCA (CAS 5315-87-7)
- Ethyl 2-chloro-4-methylthiazole-5-carboxylate (CAS 7238-62-2)
- 2,2-Dichloro-1-(1-methyl-1,2,3,4-tetrahydroquinolin-2-yl)ethanone (CAS 114370-15-9)
- Tirzepatide Impurity 48 (CAS CATO-C4X-324048)
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