(9E,11E,13R)-13-Hydroxyoctadeca-9,11-dienoic acid CAS 10219-69-9
| CAS No. | 10219-69-9 |
| Molecular Formula | C18H32O3 |
| Molecular Weight | 296.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 296.44 g/mol gives (9E,11E,13R)-13-Hydroxyoctadeca-9,11-dienoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies (9E,11E,13R)-13-Hydroxyoctadeca-9,11-dienoic acid (CAS 10219-69-9), a certified reference material (molecular formula C18H32O3, MW 296.44 g/mol) for analytical method development and quality control.
Based on its molecular formula C18H32O3, (9E,11E,13R)-13-Hydroxyoctadeca-9,11-dienoic acid 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), (9E,11E,13R)-13-Hydroxyoctadeca-9,11-dienoic acid 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.) | 1959 |
Recommended Standards
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- (R,10E,12Z)-9-Hydroxyoctadeca-10,12-dienoic acid (CAS 10075-11-3)
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