5-(1-Allyl-2-oxoindolin-3-ylidene)-3-benzyl-2-thioxothiazolidin-4-one CAS 324565-26-6
| CAS No. | 324565-26-6 |
| Molecular Formula | C21H16N2O2S2 |
| Molecular Weight | 392.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-(1-Allyl-2-oxoindolin-3-ylidene)-3-benzyl-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.
5-(1-Allyl-2-oxoindolin-3-ylidene)-3-benzyl-2-thioxothiazolidin-4-one (CAS 324565-26-6) is a high-purity analytical reference standard with the molecular formula C21H16N2O2S2 and a molecular weight of 392.49 g/mol.
Based on its molecular formula C21H16N2O2S2, 5-(1-Allyl-2-oxoindolin-3-ylidene)-3-benzyl-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 392.49 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
Physical & Chemical Properties
| Molecular Formula | C21H16N2O2S2 |
| Molecular Weight | 392.49 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Allyl Standards
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Recommended Standards
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- 5-(2-(Azepan-1-yl)-2-oxoethoxy)-2-benzyl-3,4-dihydroisoquinolin-1(2H)-one (CAS 850905-42-9)
- 2-Azetidinecarboxylic acid, 1-methyl-, (2R)- (CAS 255883-21-7)
- Ethyl 2-oxo-2-((5-(trifluoromethyl)-1,3,4-thiadiazol-2(3H)-ylidene)amino)acetate (CAS 519170-72-0)
- ethyl 2-(2-{[2-(dimethylamino)ethyl]amino}-1,3-thiazol-4-yl)acetate (CAS 1477934-34-1)
- 1-(Azetidin-3-yl)-2,2,2-trifluoroethan-1-ol (CAS 1936172-18-7)
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- Tert-butyl (1-(3-methoxybenzoyl)piperidin-4-yl)carbamate (CAS 1286275-48-6)
- (S)-2-Amino-2-cyclobutylethan-1-ol (CAS 1259702-72-1)
- (S)-6-(Benzyloxy)-2-((tert-butoxycarbonyl)amino)-6-oxohexanoic acid (CAS 80975-50-4)
- 4-Chloro-7-methoxy-2-methylquinoline 75896-68-3 MFCD09787735 SY035887 (CAS 75896-68-3)
- Semaglutide impurity 86 (CAS CATO-C4X-152686)
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