5-Chloro-N-(2-((4-methoxybenzyl)amino)-2-oxo-1-phenylethyl)-1,3-dimethyl-1H-pyrazole-4-carboxamide CAS 1022903-79-2
| CAS No. | 1022903-79-2 |
| Molecular Formula | C22H23ClN4O3 |
| Molecular Weight | 426.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5-Chloro-N-(2-((4-methoxybenzyl)amino)-2-oxo-1-phenylethyl)-1,3-dimethyl-1H-pyrazole-4-carboxamide (CAS 1022903-79-2) is a high-purity analytical reference standard with the molecular formula C22H23ClN4O3 and a molecular weight of 426.90 g/mol.
Based on its molecular formula C22H23ClN4O3, 5-Chloro-N-(2-((4-methoxybenzyl)amino)-2-oxo-1-phenylethyl)-1,3-dimethyl-1H-pyrazole-4-carboxamide contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 426.90 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.
As a certified reference material (CRM), 5-Chloro-N-(2-((4-methoxybenzyl)amino)-2-oxo-1-phenylethyl)-1,3-dimethyl-1H-pyrazole-4-carboxamide 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 | C22H23ClN4O3 |
| Molecular Weight | 426.90 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chloro Standards
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