4,5,5-Triphenyldihydrofuran-2(3H)-one CAS 57697-68-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 57697-68-4 |
| Molecular Formula | C22H18O2 |
| Molecular Weight | 314.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5,5-Triphenyldihydrofuran-2(3H)-one (CAS 57697-68-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H18O2. Molecular weight: 314.38 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C22H18O2 |
| Molecular Weight | 314.38 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
Recommended Standards
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- 4,4'-Bis(2-methyl-1H-imidazol-1-yl)-1,1'-biphenyl (CAS 2426618-95-1)
- (S)-2-amino-2-(3-fluorophenyl)propan-1-ol (CAS 1213117-51-1)
- 3-Chloro-5,6,7,8-tetrahydroimidazo[1,2-a]pyrazine (CAS 1253801-38-5)
- Nerandomilast impurity 7 (CAS CATO-C4X-34737)
- 3,5-Difluoro-4-methoxyphenol (CAS 443-42-5)
- 1H-Pyrazole-3-carbaldehyde oxime (CAS 30192-58-6)
- 4,6-Diisopropyl-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 141860-72-2)
- D-[Asp]9-Semaglutide (CAS CATO-CPTD788631)
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