2-[4-(2,4-Dichlorobenzenesulfonyl)-1,4-diazepan-1-yl]-4,6-dimethylpyridine-3-carbonitrile CAS 478256-91-6
| CAS No. | 478256-91-6 |
| Molecular Formula | C19H20Cl2N4O2S |
| Molecular Weight | 439.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C19H20Cl2N4O2S, 2-[4-(2,4-Dichlorobenzenesulfonyl)-1,4-diazepan-1-yl]-4,6-dimethylpyridine-3-carbonitrile contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 439.36 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.
2-[4-(2,4-Dichlorobenzenesulfonyl)-1,4-diazepan-1-yl]-4,6-dimethylpyridine-3-carbonitrile (CAS 478256-91-6) is a high-purity analytical reference standard with the molecular formula C19H20Cl2N4O2S and a molecular weight of 439.36 g/mol.
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.
CATO manufactures 2-[4-(2,4-Dichlorobenzenesulfonyl)-1,4-diazepan-1-yl]-4,6-dimethylpyridine-3-carbonitrile under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C19H20Cl2N4O2S |
| Molecular Weight | 439.36 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Dichlorobenzenesulfonyl Standards
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- 1-{4-[(3,4-dichlorobenzenesulfonyl)methyl]-4-hydroxypiperidin-1-yl}-2,2-dimethylpropan-1-one (CAS 865659-58-1)
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Recommended Standards
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- 1-{3-[7-(2,4-dichlorophenyl)pyrazolo[1,5-a]pyrimidin-2-yl]thiophen-2-yl}-2,5-dimethyl-1H-pyrrole (CAS 478258-96-7)
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- Antifreeze Polypeptide 6 (winter flounder) trifluoroacetate salt (CAS 122604-16-4)
Why CATO?
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