4-([1,1'-Biphenyl]-4-ylmethylene)-2-phenyloxazol-5(4H)-one CAS 66404-26-0
| CAS No. | 66404-26-0 |
| Molecular Formula | C22H15NO2 |
| Molecular Weight | 325.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-([1,1'-Biphenyl]-4-ylmethylene)-2-phenyloxazol-5(4H)-one (CAS 66404-26-0), a certified reference material (molecular formula C22H15NO2, MW 325.36 g/mol) for analytical method development and quality control.
Based on its molecular formula C22H15NO2, 4-([1,1'-Biphenyl]-4-ylmethylene)-2-phenyloxazol-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 325.36 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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-([1,1'-Biphenyl]-4-ylmethylene)-2-phenyloxazol-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 | C22H15NO2 |
| Molecular Weight | 325.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 4-((Benzo[d][1,3]dioxol-5-ylmethylene)amino)phenyl pivalate (CAS 301193-47-5)
- 4-(2,5-Diphenyl-2H-1,2,3-triazol-4-yl)benzaldehyde (CAS 61310-00-7)
- 3-Nitro-N-(4-(piperidin-1-yl)phenyl)benzamide (CAS 448912-81-0)
- 4-(3-Methoxyphenyl)-1-[(4-methoxyphenyl)methyl]-3-methyl-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 860786-48-7)
- N-hydroxy-2-[(4-hydroxy-1-piperidyl)methyl]benzamidine (CAS 1016879-10-9)
- 6-{[(2,6-dichlorophenyl)sulfanyl]methyl}-2-sulfanylpyrimidin-4-ol (CAS 866143-64-8)
- ethyl 2-bromo-6-ethyl-thieno[3,2-b]thiophene-5-carboxylate (CAS 2573123-44-9)
- 6-(2-Fluoroethoxy)pyridazine-3-carboxylic acid (CAS 2089732-11-4)
- Ethyl 4-(3-bromophenyl)-2-oxo-2,3-dihydrothiazole-5-carboxylate (CAS 886497-49-0)
- 3-(Tetrahydro-2H-pyran-4-yl)pentan-3-ol (CAS 854697-52-2)
- 5-Bromo-2-ethoxybenzamide (CAS 54924-78-6)
- 3-(Phenoxymethyl)furan-2-carboxylic acid (CAS 923129-70-8)
- 5-Amino-1-(4-bromobenzyl)-N-phenyl-1H-1,2,3-triazole-4-carboxamide (CAS 899736-66-4)
- Semaglutide impurity 61 (CAS CATO-C4X-222661)
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