2-Fluoro-N-(2-oxoindolin-5-yl)benzenesulfonamide CAS 921836-32-0
| CAS No. | 921836-32-0 |
| Molecular Formula | C14H11FN2O3S |
| Molecular Weight | 306.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-Fluoro-N-(2-oxoindolin-5-yl)benzenesulfonamide 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.
2-Fluoro-N-(2-oxoindolin-5-yl)benzenesulfonamide (CAS 921836-32-0), molecular formula C14H11FN2O3S and molecular weight 306.31 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C14H11FN2O3S, 2-Fluoro-N-(2-oxoindolin-5-yl)benzenesulfonamide contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 306.31 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.
Physical & Chemical Properties
| Molecular Formula | C14H11FN2O3S |
| Molecular Weight | 306.31 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- N-(cyclohex-3-en-1-ylmethyl)-1-methylcyclohexan-1-amine (CAS 1248283-57-9)
- Bis(4-formyl-2-methoxyphenyl) oxalate (CAS 141186-15-4)
- 7-Nitro-1H-benzo[d]imidazol-6-amine (CAS 883291-34-7)
- 4-(3-Chloro-4-fluorophenoxy)-3-methylphenylamine (CAS 946741-91-9)
- Semaglutide Impurity 190 (CAS CATO-C4X-2226190)
- 2-(3-Fluoro-4-methoxyphenyl)cyclopropane-1-carboxylic acid (CAS 1267497-03-9)
- VAL-083 (CAS 23261-20-3)
- Gastric Inhibitory Polypeptide (1-30) amide (porcine) (CAS 134846-93-8)
Why CATO?
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