(2Z,4E)-2-(2,4-dichlorobenzenesulfonyl)-5-(4-methoxyphenyl)penta-2,4-dienenitrile 1025637-59-5 MS-10674 CAS 1025637-59-5
| CAS No. | 1025637-59-5 |
| Molecular Formula | C18H13Cl2NO3S |
| Molecular Weight | 394.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(2Z,4E)-2-(2,4-dichlorobenzenesulfonyl)-5-(4-methoxyphenyl)penta-2,4-dienenitrile 1025637-59-5 MS-10674 (CAS 1025637-59-5) is a high-purity analytical reference standard with the molecular formula C18H13Cl2NO3S and a molecular weight of 394.27 g/mol.
Structurally, (2Z,4E)-2-(2,4-dichlorobenzenesulfonyl)-5-(4-methoxyphenyl)penta-2,4-dienenitrile 1025637-59-5 MS-10674 (C18H13Cl2NO3S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 394.27 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), (2Z,4E)-2-(2,4-dichlorobenzenesulfonyl)-5-(4-methoxyphenyl)penta-2,4-dienenitrile 1025637-59-5 MS-10674 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.
Physical & Chemical Properties
| Molecular Formula | C18H13Cl2NO3S |
| Molecular Weight | 394.27 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
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- Ethyl (R)-2-bromo-6-(tert-butyl)-10-oxo-5,6-dihydro-10H-pyrazolo[1,5-a]pyrido[2,1-c]pyrazine-9-carboxylate (CAS 2428621-62-7)
- 4-Chloro-2-((3S)-7-chloro-6-fluoro-3-methyl-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indol-1-yl)-5-methoxyaniline (CAS 1958821-60-7)
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