Oxacyclononadecane-2,19-dione CAS 1420877-76-4
| CAS No. | 1420877-76-4 |
| Molecular Formula | C18H32O3 |
| Molecular Weight | 296.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Oxacyclononadecane-2,19-dione is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Oxacyclononadecane-2,19-dione (CAS 1420877-76-4), molecular formula C18H32O3 and molecular weight 296.44 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H32O3, Oxacyclononadecane-2,19-dione 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 296.44 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), Oxacyclononadecane-2,19-dione 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 | C18H32O3 |
| Molecular Weight | 296.44 g/mol |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1991 |
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