| CAS No. | 4017-56-5 |
| Molecular Formula | C11H18O3 |
| Molecular Weight | 198.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
4017-56-5 Ethyl 2-oxo-1-cyclooctanecarboxylate ethyl 2-oxocyclooctanecarboxylate (CAS 4017-56-5), molecular formula C11H18O3 and molecular weight 198.26 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H18O3, 4017-56-5 Ethyl 2-oxo-1-cyclooctanecarboxylate ethyl 2-oxocyclooctanecarboxylate contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 198.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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), 4017-56-5 Ethyl 2-oxo-1-cyclooctanecarboxylate ethyl 2-oxocyclooctanecarboxylate 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.
| Molecular Formula | C11H18O3 |
| Molecular Weight | 198.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1958 |