| CAS No. | 314260-18-9 |
| Molecular Formula | C15H15NO5S |
| Molecular Weight | 321.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of 4-{5-[(4-methoxyphenyl)methylidene]-2,4-dioxo-1,3-thiazolidin-3-yl}butanoic acid is closely related to a flavonoid 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.
CATO supplies 4-{5-[(4-methoxyphenyl)methylidene]-2,4-dioxo-1,3-thiazolidin-3-yl}butanoic acid (CAS 314260-18-9), a certified reference material (molecular formula C15H15NO5S, MW 321.35 g/mol) for analytical method development and quality control.
Structurally, 4-{5-[(4-methoxyphenyl)methylidene]-2,4-dioxo-1,3-thiazolidin-3-yl}butanoic acid (C15H15NO5S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 321.35 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.
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 | C15H15NO5S |
| Molecular Weight | 321.35 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |