2-Cyano-N-(4-ethoxyphenyl)-3-(4-methoxyphenyl)propanamide CAS 1260929-80-3
| CAS No. | 1260929-80-3 |
| Molecular Formula | C19H20N2O3 |
| Molecular Weight | 324.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-Cyano-N-(4-ethoxyphenyl)-3-(4-methoxyphenyl)propanamide 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.
2-Cyano-N-(4-ethoxyphenyl)-3-(4-methoxyphenyl)propanamide (CAS 1260929-80-3) is a high-purity analytical reference standard with the molecular formula C19H20N2O3 and a molecular weight of 324.37 g/mol.
2-Cyano-N-(4-ethoxyphenyl)-3-(4-methoxyphenyl)propanamide (C19H20N2O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C19H20N2O3 |
| Molecular Weight | 324.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
Related Cyano Standards
- 2-Cyano-3-(2,4-dimethoxyphenyl)-N-(m-tolyl)propanamide (CAS 1260625-49-7)
- 2-Cyano-N-(3,5-dimethylphenyl)-3-(4-hydroxy-3-methoxyphenyl)propanamide (CAS 1260632-69-6)
- 2-Cyano-N-(4-ethoxyphenyl)-3-(2-methoxyphenyl)propanamide (CAS 1260905-44-9)
- 2-Cyano-3-(2,4-dimethoxyphenyl)-N-(4-methylphenyl)propanamide (CAS 1260915-99-8)
- 2-Cyano-N-(2-ethoxyphenyl)-3-(2-methoxyphenyl)propanamide (CAS 1260922-09-5)
- 2-Cyano-3-(2,5-dimethoxyphenyl)-N-(o-tolyl)propanamide (CAS 1260925-36-7)
- 2-Cyano-3-(2,5-dimethoxyphenyl)-N-(p-tolyl)propanamide (CAS 1260931-11-0)
- 2-Cyano-N-(3,4-dimethylphenyl)-3-(4-hydroxy-3-methoxyphenyl)propanamide (CAS 1260943-79-0)
Recommended Standards
- 2-Cyano-N-(2,3-dimethylphenyl)-3-(4-hydroxy-3-methoxyphenyl)propanamide (CAS 1261011-22-6)
- 2-Cyano-3-(2,4-dimethoxyphenyl)-N-(o-tolyl)propanamide (CAS 1261015-37-5)
- 2-Cyano-N-(4-ethoxyphenyl)-3-(3-methoxyphenyl)propanamide (CAS 1261016-79-8)
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