Ethyl (4Z,7E,10Z,13Z,16Z)-icosa-4,7,10,13,16,19-hexaenoate CAS CATO-C4X-289025
| CAS No. | CATO-C4X-289025 |
| Molecular Formula | C22H32O2 |
| Molecular Weight | 328.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C22H32O2, Ethyl (4Z,7E,10Z,13Z,16Z)-icosa-4,7,10,13,16,19-hexaenoate contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 328.49 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).
Ethyl (4Z,7E,10Z,13Z,16Z)-icosa-4,7,10,13,16,19-hexaenoate (CAS CATO-C4X-289025), molecular formula C22H32O2 and molecular weight 328.49 g/mol, is a CATO reference standard with documented purity and traceability.
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 (4Z,7E,10Z,13Z,16Z)-icosa-4,7,10,13,16,19-hexaenoate 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 | C22H32O2 |
| Molecular Weight | 328.49 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >90% |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
Recommended Standards
- Ethyl (3Z,6Z,9Z,12Z,15Z,18Z)-icosa-3,6,9,12,15,18-hexaenoate (CAS CATO-C4X-289023)
- (4Z,7Z,10Z,13Z,16Z)-4,7,10,13,16,19-Eicosahexaenoic acid ethyl ester (CAS 2447131-67-9)
- ethyl (2Z,5Z,8Z,11Z,14Z,17Z)-icosa-2,5,8,11,14,17-hexaenoate (CAS CATO-C4X-289019)
- Stanozolol (CAS 10418-03-8)
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