| CAS No. | 121771-98-0 |
| Molecular Formula | C23H38O4 |
| Molecular Weight | 378.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 378.55 g/mol gives 5-Ethoxy-1-(4-hydroxy-3-methoxyphenyl)tetradecan-3-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Ethoxy-1-(4-hydroxy-3-methoxyphenyl)tetradecan-3-one (CAS 121771-98-0) is a high-purity analytical reference standard with the molecular formula C23H38O4 and a molecular weight of 378.55 g/mol.
Owing to a steroid core, a hydroxyl group, an ether linkage, 5-Ethoxy-1-(4-hydroxy-3-methoxyphenyl)tetradecan-3-one is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 378.55 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 5-Ethoxy-1-(4-hydroxy-3-methoxyphenyl)tetradecan-3-one 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 | C23H38O4 |
| Molecular Weight | 378.55 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |