4-Benzylidene-2-(4-methoxyphenyl)oxazol-5(4H)-one CAS 34108-13-9
| CAS No. | 34108-13-9 |
| Molecular Formula | C17H13NO3 |
| Molecular Weight | 279.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 279.29 g/mol gives 4-Benzylidene-2-(4-methoxyphenyl)oxazol-5(4H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-Benzylidene-2-(4-methoxyphenyl)oxazol-5(4H)-one (CAS 34108-13-9), molecular formula C17H13NO3 and molecular weight 279.29 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C17H13NO3, 4-Benzylidene-2-(4-methoxyphenyl)oxazol-5(4H)-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 279.29 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.
As a certified reference material (CRM), 4-Benzylidene-2-(4-methoxyphenyl)oxazol-5(4H)-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.
Physical & Chemical Properties
| Molecular Formula | C17H13NO3 |
| Molecular Weight | 279.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Nitrogen Atoms | 1 |
Related Benzylidene Standards
- (Z)-4-Benzylidene-3-(phenoxymethyl)isoxazol-5(4H)-one (CAS 112082-71-0)
- 2-Benzylidene-6-((5-methylfuran-2-yl)methylene)cyclohexanone (CAS 880098-64-6)
- 2-Benzylidene-1,3-dioxo-2,3-dihydro-1H-indene-5-carboxylic acid (CAS 40462-12-2)
- (5E)-5-Benzylidene-2-mercapto-3-phenyl-3,5-dihydro-4H-imidazol-4-one (CAS 145693-86-3)
- 5-Benzylidene-3-phenyl-2-thioxoimidazolidin-4-one (CAS 32832-07-8)
- 1-Benzylidene-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline (CAS 823234-53-3)
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Recommended Standards
- 4-{[(4-phenoxyphenyl)amino]methylidene}-4,5-dihydro-1H-pyrazol-5-one (CAS 477850-93-4)
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- 4-[2-(6-ethoxy-3-pyridyl)ethynyl]-1,2-benzoxazol-3-amine (CAS 2623911-62-4)
- 4-Cyano-4-(1,3-dioxolan-2-yl)benzophenone (CAS 898759-96-1)
- (R)-3-(4-bromophenyl)piperidine (2R,3R)-2,3-dihydroxysuccinate (CAS 2244064-18-2)
- 6,7-Dimethylbenzo[d]isothiazole (CAS 1427368-15-7)
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- 3-Bromo-4,5-dichloro-2-methylaniline (CAS 2653202-53-8)
- Pregabalin Impurity 60 (CAS 181289-33-8)
- 4-(4-Bromophenyl)morpholine Hydrochloride (CAS 1186663-63-7)
- Dimethyl 3,5-Pyridinedicarboxylate (CAS 4591-55-3)
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- 103244-41-3 Insulin-like Growth Factor-II fragment 33-40 Ser-Arg-Val-Ser-Arg-Arg-Ser-Arg (CAS 103244-41-3)
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