4-(p-Tolyl)cyclohexanone CAS 40503-90-0
| CAS No. | 40503-90-0 |
| Molecular Formula | C13H16O |
| Molecular Weight | 188.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(p-Tolyl)cyclohexanone (CAS 40503-90-0) is a high-purity analytical reference standard with the molecular formula C13H16O and a molecular weight of 188.27 g/mol.
4-(p-Tolyl)cyclohexanone (C13H16O) contains a hydroxyl group, an ether linkage, an aromatic ring system. Its high carbon-to-hydrogen ratio confers good lipid solubility; 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.
As a certified reference material (CRM), 4-(p-Tolyl)cyclohexanone 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 | C13H16O |
| Molecular Weight | 188.27 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
Related p Standards
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- 3-(o-Tolyl)cyclohexanone (CAS 91663-36-4)
- 4-(m-Tolyl)cyclohexanone (CAS 40503-89-7)
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- (1-(O-tolyl)-1H-1,2,3-triazol-4-yl)methanamine (CAS 1248216-86-5)
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Recommended Standards
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- Methyl 2-bromo-3,4-dimethylbenzoate (CAS 1805594-38-0)
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- 2-(1,3-Dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-7h-purin-7-yl)acetyl chloride (CAS 40421-16-7)
- n-(2-Fluorophenyl)tetrahydro-2h-thiopyran-3-amine (CAS 1339473-30-1)
- 1-(2-Hydroxyethyl)-5-(propan-2-yl)-1h-pyrazole-4-carboxylic acid (CAS 1152538-22-1)
- 2,3,5-Trimethylimidazo[1,2-a]pyridine (CAS 34165-19-0)
- 4-Chloro-2-methyltetrahydro-2H-pyran (CAS 116131-46-5)
- Semaglutide Impurity 188 (CAS CATO-C4X-2226188)
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