[1-Methyl-3-phenyl-5-(phenylsulfanyl)-1H-pyrazol-4-yl]methyl N-(3-chlorophenyl)carbamate CAS 956986-56-4
| CAS No. | 956986-56-4 |
| Molecular Formula | C24H20ClN3O2S |
| Molecular Weight | 449.95 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), [1-Methyl-3-phenyl-5-(phenylsulfanyl)-1H-pyrazol-4-yl]methyl N-(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.
[1-Methyl-3-phenyl-5-(phenylsulfanyl)-1H-pyrazol-4-yl]methyl N-(3-chlorophenyl)carbamate (CAS 956986-56-4), molecular formula C24H20ClN3O2S and molecular weight 449.95 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, [1-Methyl-3-phenyl-5-(phenylsulfanyl)-1H-pyrazol-4-yl]methyl N-(3-chlorophenyl)carbamate (C24H20ClN3O2S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 449.95 g/mol, it falls into the moderately-high-molecular-weight range. 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 | C24H20ClN3O2S |
| Molecular Weight | 449.95 g/mol |
| 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.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Recommended Standards
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