2-((Diphenylphosphoryl)methyl)cyclohexanone CAS 86488-93-9
| CAS No. | 86488-93-9 |
| Molecular Formula | C19H21O2P |
| Molecular Weight | 312.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-((Diphenylphosphoryl)methyl)cyclohexanone (CAS 86488-93-9) is a high-purity analytical reference standard with the molecular formula C19H21O2P and a molecular weight of 312.34 g/mol.
2-((Diphenylphosphoryl)methyl)cyclohexanone (C19H21O2P) contains a steroid core, organophosphorus functionality, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
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 | C19H21O2P |
| Molecular Weight | 312.34 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) | 9.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1981 |
Related Diphenylphosphoryl Standards
- 2-(Diphenylphosphoryl)cyclopent-1-ene-1-carboxylic acid (CAS 885456-90-6)
- 7-(Diphenylphosphoryl)heptanenitrile (CAS 922737-66-4)
- 1-(Diphenylphosphoryl)-2,4-dimethylpentan-3-one (CAS 89358-78-1)
- 2-((Diphenylphosphoryl)methyl)-2,3-dimethylbutanal (CAS 89358-77-0)
- 2-(Diphenylphosphoryl)ethyl butyrate (CAS 25263-09-6)
- 3-(Diphenylphosphoryl)butan-2-yl carbamate (CAS 88167-95-7)
- 1-(4-(Diphenylphosphoryl)phenyl)ethanone 5032-76-8 (CAS 5032-76-8)
- (S)-2-((Diphenylphosphoryl)(methyl)amino)propanoic acid (CAS 62316-80-7)
Recommended Standards
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- (2-(Phenoxymethyl)thiazol-4-yl)methanamine (CAS 938119-62-1)
- Semaglutide impurity 97 (CAS CATO-C4X-222697)
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