(2E)-4,4-Dimethyl-3-oxo-2-[(3-phenoxyphenyl)methylidene]pentanenitrile CAS 391649-92-6
| CAS No. | 391649-92-6 |
| Molecular Formula | C20H19NO2 |
| Molecular Weight | 305.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (2E)-4,4-Dimethyl-3-oxo-2-[(3-phenoxyphenyl)methylidene]pentanenitrile.
CATO supplies (2E)-4,4-Dimethyl-3-oxo-2-[(3-phenoxyphenyl)methylidene]pentanenitrile (CAS 391649-92-6), a certified reference material (molecular formula C20H19NO2, MW 305.37 g/mol) for analytical method development and quality control.
Based on its molecular formula C20H19NO2, (2E)-4,4-Dimethyl-3-oxo-2-[(3-phenoxyphenyl)methylidene]pentanenitrile contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 305.37 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.
As a certified reference material (CRM), (2E)-4,4-Dimethyl-3-oxo-2-[(3-phenoxyphenyl)methylidene]pentanenitrile 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 | C20H19NO2 |
| Molecular Weight | 305.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
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Recommended Standards
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