| CAS No. | 623934-79-2 |
| Molecular Formula | C30H27N3O2S2 |
| Molecular Weight | 525.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of 5-((3-Mesityl-1-phenyl-1H-pyrazol-4-yl)methylene)-3-(4-methoxybenzyl)-2-thioxothiazolidin-4-one is closely related to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5-((3-Mesityl-1-phenyl-1H-pyrazol-4-yl)methylene)-3-(4-methoxybenzyl)-2-thioxothiazolidin-4-one (CAS 623934-79-2) is a high-purity analytical reference standard with the molecular formula C30H27N3O2S2 and a molecular weight of 525.68 g/mol.
Based on its molecular formula C30H27N3O2S2, 5-((3-Mesityl-1-phenyl-1H-pyrazol-4-yl)methylene)-3-(4-methoxybenzyl)-2-thioxothiazolidin-4-one contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 525.68 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
| 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 |