(5E)-5-(2-Ethoxy-3-methoxybenzylidene)-2-mercapto-1,3-thiazol-4(5H)-one 669747-24-4 7843AE C13H13NO3S2 CAS 669747-24-4
| CAS No. | 669747-24-4 |
| Molecular Formula | C13H13NO3S2 |
| Molecular Weight | 295.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 295.38 g/mol gives (5E)-5-(2-Ethoxy-3-methoxybenzylidene)-2-mercapto-1,3-thiazol-4(5H)-one 669747-24-4 7843AE C13H13NO3S2 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(5E)-5-(2-Ethoxy-3-methoxybenzylidene)-2-mercapto-1,3-thiazol-4(5H)-one 669747-24-4 7843AE C13H13NO3S2 (CAS 669747-24-4) is a high-purity analytical reference standard with the molecular formula C13H13NO3S2 and a molecular weight of 295.38 g/mol.
Based on its molecular formula C13H13NO3S2, (5E)-5-(2-Ethoxy-3-methoxybenzylidene)-2-mercapto-1,3-thiazol-4(5H)-one 669747-24-4 7843AE C13H13NO3S2 contains a nitrogen-containing heterocyclic scaffold, 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 295.38 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.
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 | C13H13NO3S2 |
| Molecular Weight | 295.38 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
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Recommended Standards
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- Doxepin Impurity 1 (CAS CATO-C4X-12261)
- 1-Phenyl-3-[5-(5-(trifluoromethyl)pyridin-2-yl)--[1,2,4]oxadiazol-3-ylmethyl]urea (CAS 1311279-07-8)
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- 4-Chloro-3-methylbenzo[d]thiazol-2(3H)-one (CAS 63755-05-5)
- N-(2,4-Difluorophenyl)-2,2-difluoro-2-phenoxyacetamide (CAS 338791-98-3)
- N-(3-amino-2-methylphenyl)tetrahydrofuran-2-carboxamide (CAS 926215-04-5)
- 3-Amino-8-methyl-2H,6H-pyrimido[2,1-b][1,3,4]thiadiazin-6-one (CAS 885880-20-6)
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