5-(4-Methylbenzylidene)-2-thioxooxazolidin-4-one CAS 52345-31-0
| CAS No. | 52345-31-0 |
| Molecular Formula | C11H9NO2S |
| Molecular Weight | 219.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(4-Methylbenzylidene)-2-thioxooxazolidin-4-one (CAS 52345-31-0), molecular formula C11H9NO2S and molecular weight 219.26 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H9NO2S, 5-(4-Methylbenzylidene)-2-thioxooxazolidin-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 219.26 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-(4-Methylbenzylidene)-2-thioxooxazolidin-4-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H9NO2S |
| Molecular Weight | 219.26 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.) | 1971 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methylbenzylidene Standards
- 2-Ethyl-4-(4-methylbenzylidene)oxazol-5(4H)-one (CAS 538339-32-1)
- (E)-2-((4-methylbenzylidene)amino)thiophene-3-carbonitrile (CAS 338777-53-0)
- 3-Ethyl-5-(2-methylbenzylidene)imidazolidine-2,4-dione (CAS 641995-96-2)
- 5-(4-MEthylbenzylidene)-2-thioxo-1,3-thiazolidin-4-one (CAS 875572-77-3)
- (Z)-2-(4-Methylbenzylidene)benzofuran-3(2H)-one (CAS 97871-89-1)
- 2-(2-Methylbenzylidene)benzofuran-3(2H)-one (CAS 61370-69-2)
- 2-(3-Methylbenzylidene)benzofuran-3(2H)-one (CAS 61370-65-8)
- 2-(4-Methylbenzylidene)benzofuran-3(2H)-one (CAS 61370-66-9)
Recommended Standards
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- 5-(2-Hydroxypropan-2-yl)-1-methyl-1H-pyrazole-3-sulfonamide (CAS 1995072-14-4)
- 5-Amino-3-(5-ethylthiophen-2-yl)isoxazole-4-carbonitrile (CAS 890091-83-5)
- Thiourea-<SUP>13</SUP>C (CAS 113899-66-4)
- 1-{5-[(1H-imidazol-1-yl)methyl]-1,3-thiazol-2-yl}-4-methylpiperazine (CAS 866137-05-5)
- Tert-butyl (1R,5S)-7-amino-9-benzyl-3,9-diazabicyclo[3.3.1]Nonane-3-carboxylate (CAS 1822511-74-9)
- (1-Bromo-2,2-dimethoxyethyl)benzene (CAS 14371-25-6)
- 4-Bromo-3-methoxy-1H-pyrazole (CAS 1147011-26-4)
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- Methyl propanethioate (CAS 26476-56-2)
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