N-Methyl-2-[(1-methyl-3-phenyl-1H-pyrazol-5-yl)oxy]-N-phenylacetamide CAS 321341-09-7
| CAS No. | 321341-09-7 |
| Molecular Formula | C19H19N3O2 |
| Molecular Weight | 321.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N-Methyl-2-[(1-methyl-3-phenyl-1H-pyrazol-5-yl)oxy]-N-phenylacetamide (CAS 321341-09-7) is a high-purity analytical reference standard with the molecular formula C19H19N3O2 and a molecular weight of 321.37 g/mol.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, N-Methyl-2-[(1-methyl-3-phenyl-1H-pyrazol-5-yl)oxy]-N-phenylacetamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 321.37 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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), N-Methyl-2-[(1-methyl-3-phenyl-1H-pyrazol-5-yl)oxy]-N-phenylacetamide 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 | C19H19N3O2 |
| Molecular Weight | 321.37 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
Recommended Standards
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- tert-Butyl 2-(4-nitrobenzyl)piperazine-1-carboxylate (CAS 886775-00-4)
- 2-((6-(4-Chlorophenyl)pyridazin-3-yl)oxy)ethan-1-amine (CAS 1283109-06-7)
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