5-(4-Hydroxybenzylidene)-2-thioxothiazolidin-4-one CAS 6339-79-3
| CAS No. | 6339-79-3 |
| Molecular Formula | C10H7NO2S2 |
| Molecular Weight | 237.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C10H7NO2S2, 5-(4-Hydroxybenzylidene)-2-thioxothiazolidin-4-one 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 237.30 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
5-(4-Hydroxybenzylidene)-2-thioxothiazolidin-4-one (CAS 6339-79-3) is a high-purity analytical reference standard with the molecular formula C10H7NO2S2 and a molecular weight of 237.30 g/mol.
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.
Physical & Chemical Properties
| Molecular Formula | C10H7NO2S2 |
| Molecular Weight | 237.30 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Hydroxybenzylidene Standards
- (E)-5-(3-Hydroxybenzylidene)-2-mercaptothiazol-4(5H)-one (CAS 1064365-95-2)
- (5E)-5-(3-Hydroxybenzylidene)-2-mercapto-1,3-thiazol-4(5H)-one (CAS 37530-35-1)
- (Z)-5-(4-Hydroxybenzylidene)-2-thioxothiazolidin-4-one (CAS 81154-14-5)
- (5E)-5-(4-Hydroxybenzylidene)-2-mercapto-1,3-thiazol-4(5H)-one 0033AF 81154-13-4 C10H7NO2S2 (CAS 81154-13-4)
- (Z)-2-(2-Hydroxybenzylidene)benzofuran-3(2H)-one (CAS 112980-30-0)
- (Z)-2-(4-Hydroxybenzylidene)benzofuran-3(2H)-one (CAS 112980-31-1)
- 2-(4-Hydroxybenzylidene)benzofuran-3(2H)-one (CAS 24389-48-8)
- 1-(4-((2-Hydroxybenzylidene)amino)phenyl)ethanone (CAS 788-23-8)
Recommended Standards
- 5-(4-AMinophenyl)dipyrromethane (CAS 873955-91-0)
- 5-(Benzyloxy)-1-methyl-1H-indole (CAS 2439-68-1)
- 4-Phenoxy-2-phenylbutanenitrile (CAS 82954-07-2)
- 5-(Benzyloxy)-3-methyl-1H-indole (CAS 21987-24-6)
- 8-Methyl-7-(pyrrolidin-1-yl)quinolin-2-ol (CAS 792149-18-9)
- 4-Bromo-2-(((2,3-dihydro-1H-inden-5-yl)amino)methyl)phenol (CAS 1232776-76-9)
- Methyl trimethylsilylacetate (CAS 2916-76-9)
- 5-Bromo-1,2,3,6-tetrahydropyridine (CAS 1804129-00-7)
- 3-Bromo-2-fluoro-6-propoxypyridine (CAS 1881329-51-6)
- 2-methyl-2,3-dihydro-1H-isoindol-4-amine dihydrochloride (CAS 1798758-64-1)
- 1-(4-Oxocyclohexyl)imidazolidin-2-one (CAS 89519-06-2)
- 2-Methoxy-4-methylphenyl chloroformate (CAS 94192-20-8)
- 6-(2-Hydroxyacetyl)-3,4-dihydro-2H-1,4-benzoxazin-3-one (CAS 927802-78-6)
- Acetyl Hexapeptide-39 (CAS 1382088-38-1)
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