4-(2,5-Dioxo-3-((Z)-4-oxo-5-(3-phenylallylidene)-2-thioxothiazolidin-3-yl)pyrrolidin-1-yl)benzoic acid CAS 622351-71-7
| CAS No. | 622351-71-7 |
| Molecular Formula | C23H16N2O5S2 |
| Molecular Weight | 464.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-(2,5-Dioxo-3-((Z)-4-oxo-5-(3-phenylallylidene)-2-thioxothiazolidin-3-yl)pyrrolidin-1-yl)benzoic acid (C23H16N2O5S2) 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 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 464.51 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).
CATO supplies 4-(2,5-Dioxo-3-((Z)-4-oxo-5-(3-phenylallylidene)-2-thioxothiazolidin-3-yl)pyrrolidin-1-yl)benzoic acid (CAS 622351-71-7), a certified reference material (molecular formula C23H16N2O5S2, MW 464.51 g/mol) for analytical method development and quality control.
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 | C23H16N2O5S2 |
| Molecular Weight | 464.51 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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Recommended Standards
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- (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-(pyridin-3-yl)phenyl)propanoic acid (CAS 352525-25-8)
- 6-[[3-[(1S)-2-Methoxy-1-methylethoxy]-5-[(1S)-1-methyl-2-phenylethoxy]benzoyl]amino]-3-pyridinecarboxylic Acid (CAS 851884-87-2)
- 1-(3-Methoxy-1,2-thiazol-5-yl)ethan-1-one (CAS 1935654-61-7)
- 3-(3-Dimethylaminomethyl-indol-1-yl)-propionic acid acetate (CAS 1185295-12-8)
- 8-sulfanyltetralin-1-one (CAS 1260015-00-6)
- Cefacetrile Sodium (CAS 23239-41-0)
- 8-Bromo-2-chloroquinoline (CAS 163485-86-7)
- Neostigmine Impurity 25 (CAS 76418-45-6)
- tert-Butyl ((1S,2S)-2-methyl-3-oxo-1-phenylpropyl)carbamate (CAS 926308-17-0)
- N-(4-(2-((2-Ethoxyphenyl)amino)-2-oxoethyl)thiazol-2-yl)furan-2-carboxamide (CAS 923107-53-3)
- 4-[(2-methoxyphenoxy)methyl]benzoic acid (CAS 149288-68-6)
- Tirzepatide Impurity 10 (CAS CATO-C4X-324010)
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