N-Ethyl-2-nitrobenzenesulfonamide CAS 23530-41-8
| CAS No. | 23530-41-8 |
| Molecular Formula | C8H10N2O4S |
| Molecular Weight | 230.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 230.24 g/mol gives N-Ethyl-2-nitrobenzenesulfonamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
N-Ethyl-2-nitrobenzenesulfonamide (CAS 23530-41-8), molecular formula C8H10N2O4S and molecular weight 230.24 g/mol, is a CATO reference standard with documented purity and traceability.
N-Ethyl-2-nitrobenzenesulfonamide (C8H10N2O4S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
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 | C8H10N2O4S |
| Molecular Weight | 230.24 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 |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
- N,N-Dimethyl-3-nitrobenzenesulfonamide (CAS 26199-83-7)
- N-Ethyl-3-nitrobenzenesulfonamide (CAS 28860-09-5)
- N,N-Dimethyl-2-nitrobenzenesulfonamide (CAS 23530-43-0)
- N-Ethyl-4-nitrobenzenesulfonamide (CAS 28860-08-4)
- n-Cyclopentyl-1,2,5-trimethylpiperidin-4-amine (CAS 1218243-08-3)
- Ethyl-3-chloro-2-oxo butanoate (CAS 50774-86-2)
- 2-Methyl-3-(3-methyl-1h-pyrazol-1-yl)propanethioamide (CAS 1006319-96-5)
- 2-(2-Amino-5-(bromomethyl)-6-(difluoromethyl)pyridin-3-yl)acetonitrile (CAS 1805375-60-3)
- 5-(4,4,5-Trimethyl-1,3,2-dioxaborolan-2-yl)indolin-2-one (CAS 1383995-23-0)
- 1-(3-Chlorophenyl)-8-phenylnaphthalene (CAS 24299-68-1)
- Ethyl 2-(2-(4-methoxyphenoxy)acetamido)-4-methyl-5-(phenylcarbamoyl)thiophene-3-carboxylate (CAS 425630-85-9)
- 2,3-Dibromo-5-(difluoromethyl)-4-iodopyridine (CAS 1804713-95-8)
- 3-(Chloromethyl)-5-styryl-1,2,4-oxadiazole (CAS 252867-19-9)
- Semaglutide impurity 235 (CAS CATO-C4X-2226235)
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