ethyl (5Z,8Z,11Z,14Z,17E)-icosa-5,8,11,14,17-pentaenoate CAS 125827-48-7
| CAS No. | 125827-48-7 |
| Molecular Formula | C22H34O2 |
| Molecular Weight | 330.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 330.50 g/mol gives ethyl (5Z,8Z,11Z,14Z,17E)-icosa-5,8,11,14,17-pentaenoate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
ethyl (5Z,8Z,11Z,14Z,17E)-icosa-5,8,11,14,17-pentaenoate (CAS 125827-48-7) is a high-purity analytical reference standard with the molecular formula C22H34O2 and a molecular weight of 330.50 g/mol.
Structurally, ethyl (5Z,8Z,11Z,14Z,17E)-icosa-5,8,11,14,17-pentaenoate (C22H34O2) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 330.50 g/mol, it falls into the moderately-high-molecular-weight range. 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), ethyl (5Z,8Z,11Z,14Z,17E)-icosa-5,8,11,14,17-pentaenoate 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 | C22H34O2 |
| Molecular Weight | 330.50 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1992 |
Recommended Standards
- ethyl (5E,8Z,11Z,14E,17Z)-icosa-5,8,11,14,17-pentaenoate (CAS CATO-C4X-289027)
- ethyl (5E,8Z,11E,14Z,17Z)-icosa-5,8,11,14,17-pentaenoate (CAS CATO-C4X-289037)
- (5E,8E,11E,14Z,17E)-5,8,11,14,17-Ethyl Eicosapentaenoate (CAS CATO-C4X-289014)
- ethyl (5Z,8Z,11Z,14E,17Z)-icosa-5,8,11,14,17-pentaenoate (CAS CATO-C4X-28904)
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