N-(2-Methoxybenzyl)-N-(4-phenoxypyridin-3-yl)acetamide CAS 253307-65-2
| CAS No. | 253307-65-2 |
| Molecular Formula | C20H18N2O3 |
| Molecular Weight | 334.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, N-(2-Methoxybenzyl)-N-(4-phenoxypyridin-3-yl)acetamide (C20H18N2O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 334.37 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
N-(2-Methoxybenzyl)-N-(4-phenoxypyridin-3-yl)acetamide (CAS 253307-65-2) is a high-purity analytical reference standard with the molecular formula C20H18N2O3 and a molecular weight of 334.37 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C20H18N2O3 |
| Molecular Weight | 334.37 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 3-Methyl-4-((3-methyl-5-oxo-1-phenyl-1H-pyrazol-4(5H)-ylidene)amino)-1-phenyl-1H-pyrazol-5(4H)-one (CAS 909-59-1)
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- Tau Peptide (295-309) trifluoroacetate salt (CAS 330456-46-7)
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