5-((3-(4-Isopropoxyphenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)-3-(4-methylbenzyl)-2-thioxothiazolidin-4-one CAS 623934-72-5
| CAS No. | 623934-72-5 |
| 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-Isopropoxyphenyl)-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-Isopropoxyphenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)-3-(4-methylbenzyl)-2-thioxothiazolidin-4-one (CAS 623934-72-5), molecular formula C30H27N3O2S2 and molecular weight 525.68 g/mol, is a CATO reference standard with documented purity and traceability.
5-((3-(4-Isopropoxyphenyl)-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. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
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 Isopropoxyphenyl Standards
- N-(3-isopropoxyphenyl)-2-(1,1,2,2,3,3,4,4,5,5,6,6,6-tridecafluorohexyl)benzamide (CAS 680213-73-4)
- 1-((1-((4-Isopropoxyphenyl)sulfonyl)-3,5-dimethyl-1H-pyrazol-4-yl)sulfonyl)-4-methylpiperidine (CAS 956251-53-9)
- 2-(4-Isopropoxyphenyl)-5-(2-oxo-1-propylindolin-3-ylidene)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one (CAS 371130-01-7)
- 2-(4-Isopropoxyphenyl)-5-(1-methyl-2-oxoindolin-3-ylidene)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one (CAS 618073-65-7)
- 2-(4-Isopropoxyphenyl)-5-(3-nitrobenzylidene)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one (CAS 369399-61-1)
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- (3-Isopropoxyphenyl)(1-((5-methyl-1-propyl-1H-pyrazol-4-yl)methyl)piperidin-3-yl)methanone (CAS 958841-22-0)
- 1-((4-Isopropoxyphenyl)sulfonyl)-4-(pyridin-2-yl)piperazine (CAS 1024523-27-0)
Recommended Standards
- 5-((3-(4-Ethoxy-3-methylphenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)-3-(4-methylbenzyl)-2-thioxothiazolidin-4-one (CAS 623934-74-7)
- 5-((3-Mesityl-1-phenyl-1H-pyrazol-4-yl)methylene)-3-(4-methoxybenzyl)-2-thioxothiazolidin-4-one (CAS 623934-79-2)
- 3-(4-Methylbenzyl)-5-((1-phenyl-3-(4-propoxyphenyl)-1H-pyrazol-4-yl)methylene)-2-thioxothiazolidin-4-one (CAS 623935-35-3)
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