Ethyl 1-[(4-chlorophenyl)methyl]-3-{[4-(2,5-dimethylphenyl)piperazin-1-yl]sulfonyl}-1H-pyrazole-4-carboxylate CAS 1710202-77-9
| CAS No. | 1710202-77-9 |
| Molecular Formula | C25H29ClN4O4S |
| Molecular Weight | 517.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 517.04 g/mol gives Ethyl 1-[(4-chlorophenyl)methyl]-3-{[4-(2,5-dimethylphenyl)piperazin-1-yl]sulfonyl}-1H-pyrazole-4-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl 1-[(4-chlorophenyl)methyl]-3-{[4-(2,5-dimethylphenyl)piperazin-1-yl]sulfonyl}-1H-pyrazole-4-carboxylate (CAS 1710202-77-9) is a high-purity analytical reference standard with the molecular formula C25H29ClN4O4S and a molecular weight of 517.04 g/mol.
Structurally, Ethyl 1-[(4-chlorophenyl)methyl]-3-{[4-(2,5-dimethylphenyl)piperazin-1-yl]sulfonyl}-1H-pyrazole-4-carboxylate (C25H29ClN4O4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. 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 517.04 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.
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), Ethyl 1-[(4-chlorophenyl)methyl]-3-{[4-(2,5-dimethylphenyl)piperazin-1-yl]sulfonyl}-1H-pyrazole-4-carboxylate 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 | C25H29ClN4O4S |
| Molecular Weight | 517.04 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
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