Ethyl 4-(2-(tert-butoxy)-2-oxoethylidene)cyclohexane-1-carboxylate CAS 218779-74-9
| CAS No. | 218779-74-9 |
| Molecular Formula | C15H24O4 |
| Molecular Weight | 268.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Ethyl 4-(2-(tert-butoxy)-2-oxoethylidene)cyclohexane-1-carboxylate is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Ethyl 4-(2-(tert-butoxy)-2-oxoethylidene)cyclohexane-1-carboxylate (CAS 218779-74-9) is a high-purity analytical reference standard with the molecular formula C15H24O4 and a molecular weight of 268.35 g/mol.
Based on its molecular formula C15H24O4, Ethyl 4-(2-(tert-butoxy)-2-oxoethylidene)cyclohexane-1-carboxylate contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 268.35 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), Ethyl 4-(2-(tert-butoxy)-2-oxoethylidene)cyclohexane-1-carboxylate 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 | C15H24O4 |
| Molecular Weight | 268.35 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2019 |
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- 4-Oxo-4-(quinolin-3-ylamino)butanoic acid (CAS 342021-89-0)
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