4-(3-Oxobutanamido)benzenesulfonic acid CAS 6199-95-7
| CAS No. | 6199-95-7 |
| Molecular Formula | C10H11NO5S |
| Molecular Weight | 257.26 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.
4-(3-Oxobutanamido)benzenesulfonic acid (CAS 6199-95-7), molecular formula C10H11NO5S and molecular weight 257.26 g/mol, is a CATO reference standard with documented purity and traceability.
4-(3-Oxobutanamido)benzenesulfonic acid (C10H11NO5S) 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.
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 | C10H11NO5S |
| Molecular Weight | 257.26 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Oxobutanamido Standards
- N-[4-(3-oxobutanamido)phenyl]cyclopropanecarboxamide (CAS 1016530-73-6)
- Ethyl 2-(4-(3-oxobutanamido)phenyl)acetate (CAS 909229-41-0)
- Ethyl 4-(3-oxobutanamido)benzoate (CAS 30764-23-9)
- Methyl 3-(3-oxobutanamido)thiophene-2-carboxylate (CAS 74695-30-0)
- Methyl 3-(3-oxobutanamido)benzoate (CAS 1016715-52-8)
- Methyl 4-(3-oxobutanamido)benzoate (CAS 67093-75-8)
- 2-(3-Oxobutanamido)benzoic acid (CAS 35354-86-0)
- 4-(3-Oxobutanamido)benzamide (CAS 56766-13-3)
Recommended Standards
- 4-(2,4-Difluorophenyl)-2-methylthiomorpholine-3,5-dione (CAS 344265-29-8)
- 4-(4-Fluorophenyl)-2-(5-methylfuran-2-yl)-4-oxobutanenitrile (CAS 866008-09-5)
- 3-Amino-6-(difluoromethyl)-4-methylthieno[2,3-b]pyridine-2-carboxamide (CAS 828278-41-7)
- 4-(Dimethylamino)-2-(4-fluorophenoxy)pyridine-3-carbonitrile (CAS 341967-05-3)
- (2-Fluoro-4-(methylcarbamoyl)phenyl)boronic acid (CAS 874289-23-3)
- N-Allyl-6-(trifluoromethyl)pyridin-2-amine (CAS 944580-75-0)
- 5-Bromo-2,3-dihydrobenzofuran-7-ol (CAS 1785461-00-8)
- 5-Fluorobenzofuran-2-carboxylic Acid (CAS 89197-62-6)
- 5,7-Dimethyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one (CAS 116636-30-7)
- N2-cyclopentylpyridine-2,3-diamine (CAS 951523-75-4)
- N-(2-Methoxyethyl)-2-(methylamino)acetamide (CAS 144236-37-3)
- 1-Oxo-2-pyridin-2-yl-1,2-dihydroisoquinoline-4-carboxylic acid (CAS 1374407-77-8)
- 3-Hydroxy-3-(4-(methoxymethyl)phenyl)propanenitrile (CAS 1513065-29-6)
- Semaglutide impurity 196 (CAS CATO-C4X-2226196)
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