5-((3-(4-Ethoxy-3-methylphenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)-3-(4-methylbenzyl)-2-thioxothiazolidin-4-one CAS 623934-74-7
| CAS No. | 623934-74-7 |
| Molecular Formula | C30H27N3O2S2 |
| Molecular Weight | 525.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 525.68 g/mol gives 5-((3-(4-Ethoxy-3-methylphenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)-3-(4-methylbenzyl)-2-thioxothiazolidin-4-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-((3-(4-Ethoxy-3-methylphenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)-3-(4-methylbenzyl)-2-thioxothiazolidin-4-one (CAS 623934-74-7), molecular formula C30H27N3O2S2 and molecular weight 525.68 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-((3-(4-Ethoxy-3-methylphenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)-3-(4-methylbenzyl)-2-thioxothiazolidin-4-one (C30H27N3O2S2) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 19.0, corresponding to approximately 19 ring(s) or double-bond equivalent(s). With a molecular weight of 525.68 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), 5-((3-(4-Ethoxy-3-methylphenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)-3-(4-methylbenzyl)-2-thioxothiazolidin-4-one 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 | C30H27N3O2S2 |
| Molecular Weight | 525.68 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 |
| Degree of Unsaturation (DBE) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Ethoxy Standards
- 2-Ethoxy-4-formylphenyl 2-((3-cyano-4-(4-methoxyphenyl)-6-phenylpyridin-2-yl)thio)acetate (CAS 334497-98-2)
- 5-((3-(4-Ethoxy-2-methylphenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)-3-(2-ethylhexyl)-2-thioxothiazolidin-4-one (CAS 623933-08-4)
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- 5-((3-(4-Ethoxy-3-methylphenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)-3-(4-methoxybenzyl)-2-thioxothiazolidin-4-one (CAS 623934-73-6)
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Recommended Standards
- 3-(4-Methylbenzyl)-5-((1-phenyl-3-(4-propoxyphenyl)-1H-pyrazol-4-yl)methylene)-2-thioxothiazolidin-4-one (CAS 623935-35-3)
- 5-((3-(4-Isopropoxyphenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)-3-(4-methylbenzyl)-2-thioxothiazolidin-4-one (CAS 623934-72-5)
- (E)-2-(2-((2,6-dimethylphenyl)amino)vinyl)-4-(4-heptylphenyl)-5-oxo-5H-indeno[1,2-b]pyridine-3-carbonitrile (CAS 685107-72-6)
- 5-((3-Mesityl-1-phenyl-1H-pyrazol-4-yl)methylene)-3-(4-methoxybenzyl)-2-thioxothiazolidin-4-one (CAS 623934-79-2)
- 6-Amino-2,4-dioxo-1-phenethyl-1,2,3,4-tetrahydropyrimidine-5-carbaldehyde (CAS 919724-65-5)
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