N-(4-Chloro-3-nitrophenyl)-2-((3-cyano-4,6-diphenylpyridin-2-yl)thio)acetamide CAS 332160-37-9
| CAS No. | 332160-37-9 |
| Molecular Formula | C26H17ClN4O3S |
| Molecular Weight | 500.96 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), N-(4-Chloro-3-nitrophenyl)-2-((3-cyano-4,6-diphenylpyridin-2-yl)thio)acetamide 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.
N-(4-Chloro-3-nitrophenyl)-2-((3-cyano-4,6-diphenylpyridin-2-yl)thio)acetamide (CAS 332160-37-9), molecular formula C26H17ClN4O3S and molecular weight 500.96 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C26H17ClN4O3S, N-(4-Chloro-3-nitrophenyl)-2-((3-cyano-4,6-diphenylpyridin-2-yl)thio)acetamide 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 500.96 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.
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.
Physical & Chemical Properties
| Molecular Formula | C26H17ClN4O3S |
| Molecular Weight | 500.96 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) | 20.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-((6-(4-Chlorophenyl)-3-cyano-4-phenylpyridin-2-yl)thio)-N-(4-nitrophenyl)acetamide (CAS 336174-06-2)
- N-(2-(((4-chlorophenyl)sulfonyl)methyl)-4-(pyrrolidine-1-carbonyl)phenyl)-4-fluorobenzamide (CAS 339101-90-5)
- 2-((6-(4-Chlorophenyl)-3-cyano-4-phenylpyridin-2-yl)thio)-N-(3-nitrophenyl)acetamide (CAS 336174-00-6)
- 2-((4-(2-Chlorophenyl)-3-cyano-6-phenylpyridin-2-yl)thio)-N-(4-nitrophenyl)acetamide (CAS 332128-34-4)
- Methyl prop-2-yn-1-yl carbonate (CAS 61764-71-4)
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- 3-(Piperidinomethyl)-2-Norbornanone (CAS 71172-60-6)
- 2-((3-Cyano-4-(4-methoxyphenyl)-6-phenylpyridin-2-yl)thio)-N-(2,3-dimethylphenyl)acetamide (CAS 348580-83-6)
- 3-(4-Hydroxybenzyl)-6-methylpiperazine-2,5-dione (CAS 21754-26-7)
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- 1-Ethyl-3-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-yl)urea (CAS 1031432-18-4)
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