| CAS No. | 424789-76-4 |
| Molecular Formula | C16H12ClNO3S |
| Molecular Weight | 333.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
424789-76-4 1-[1-(Benzenesulfonyl)-1H-indol-3-yl]-2-chloroethan-1-one DTXSID00573825 (CAS 424789-76-4) is a high-purity analytical reference standard with the molecular formula C16H12ClNO3S and a molecular weight of 333.79 g/mol.
Structurally, 424789-76-4 1-[1-(Benzenesulfonyl)-1H-indol-3-yl]-2-chloroethan-1-one DTXSID00573825 (C16H12ClNO3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 333.79 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 424789-76-4 1-[1-(Benzenesulfonyl)-1H-indol-3-yl]-2-chloroethan-1-one DTXSID00573825 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.
| Molecular Formula | C16H12ClNO3S |
| Molecular Weight | 333.79 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |