4-Bromo-3-(ethylsulfonyl)benzenesulfonamide CAS 1354963-25-9
| CAS No. | 1354963-25-9 |
| Molecular Formula | C8H10BrNO4S2 |
| Molecular Weight | 328.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-3-(ethylsulfonyl)benzenesulfonamide (CAS 1354963-25-9), molecular formula C8H10BrNO4S2 and molecular weight 328.20 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H10BrNO4S2, 4-Bromo-3-(ethylsulfonyl)benzenesulfonamide contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 328.20 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.
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 4-Bromo-3-(ethylsulfonyl)benzenesulfonamide 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 | C8H10BrNO4S2 |
| Molecular Weight | 328.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
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Recommended Standards
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- Phenyl 4-Methoxybenzoate (CAS 4181-97-9)
- Vonoprazan Impurity 147 (CAS 748810-25-5)
- 3-Methoxy-5-methylisoxazole (CAS 16864-45-2)
- 2-Bromo-3-chloro-4-iodopyridine (CAS 1805015-25-1)
- 3-(2-(Naphthalen-1-yl)ethyl)-3-(2-(tetrahydro-2H-pyran-2-yl)ethyl)pentanedioic acid (CAS 115025-90-6)
- 2-Bromo-6-chloro-4-(methoxymethoxy)phenol (CAS 2848566-56-1)
- 1,2-Dichloro-4-(isocyano(tosyl)methyl)benzene (CAS 263389-52-2)
- Peptide Impurity 40 (CAS CATO-CPTD788840)
Why CATO?
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