(1-Methyl-3-phenyl-5-(p-tolyloxy)-1H-pyrazol-4-yl)methyl (3-chlorophenyl)carbamate CAS 318247-58-4
| CAS No. | 318247-58-4 |
| Molecular Formula | C25H22ClN3O3 |
| Molecular Weight | 447.91 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C25H22ClN3O3, (1-Methyl-3-phenyl-5-(p-tolyloxy)-1H-pyrazol-4-yl)methyl (3-chlorophenyl)carbamate 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 447.91 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.
(1-Methyl-3-phenyl-5-(p-tolyloxy)-1H-pyrazol-4-yl)methyl (3-chlorophenyl)carbamate (CAS 318247-58-4), molecular formula C25H22ClN3O3 and molecular weight 447.91 g/mol, is a CATO reference standard with documented purity and traceability.
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), (1-Methyl-3-phenyl-5-(p-tolyloxy)-1H-pyrazol-4-yl)methyl (3-chlorophenyl)carbamate 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 | C25H22ClN3O3 |
| Molecular Weight | 447.91 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Recommended Standards
- 2-Chloro-3-{4-[5-(4-methoxyphenyl)-1H-pyrazol-3-yl]piperidin-1-yl}-1,4-dihydronaphthalene-1,4-dione (CAS 1026080-37-4)
- (1-Methyl-3-phenyl-5-(p-tolyloxy)-1H-pyrazol-4-yl)methyl (4-chlorophenyl)carbamate (CAS 318247-43-7)
- 2-(1-(4-Chlorobenzyl)-2,5-dimethyl-1h-indol-3-yl)-N-(2-methoxypyridin-4-yl)-2-oxoacetamide (CAS 1006604-91-6)
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- Tolterodine Impurity 4 (CAS 124935-88-2)
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