Ethyl 8-(4-ethoxyphenyl)-8-oxooctanoate CAS 898757-57-8
| CAS No. | 898757-57-8 |
| Molecular Formula | C18H26O4 |
| Molecular Weight | 306.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 8-(4-ethoxyphenyl)-8-oxooctanoate (CAS 898757-57-8), molecular formula C18H26O4 and molecular weight 306.40 g/mol, is a CATO reference standard with documented purity and traceability.
Ethyl 8-(4-ethoxyphenyl)-8-oxooctanoate (C18H26O4) contains a steroid core, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 8-(4-ethoxyphenyl)-8-oxooctanoate 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 | C18H26O4 |
| Molecular Weight | 306.40 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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.) | 1987 |
Related Ethyl Standards
- Ethyl 8-(2-ethoxyphenyl)-8-oxooctanoate (CAS 898757-48-7)
- ethyl 8-(4-ethoxyphenyl)-8-oxooctanoate (CAS 39496-81-6)
- Ethyl 2-((4-ethoxyphenyl)amino)-4-methylthiazole-5-carboxylate (CAS 108717-45-9)
- Ethyl 2-((2-ethoxyphenyl)amino)-4-methylthiazole-5-carboxylate (CAS 108719-19-3)
- 2-Benzyl-6-(4-ethoxyphenyl)pyridazin-3(2H)-one (CAS 899752-98-8)
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