Ethyl 8-(3-methylphenyl)-8-oxooctanoate CAS 898751-58-1
| CAS No. | 898751-58-1 |
| Molecular Formula | C17H24O3 |
| Molecular Weight | 276.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Ethyl 8-(3-methylphenyl)-8-oxooctanoate (CAS 898751-58-1), molecular formula C17H24O3 and molecular weight 276.37 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Ethyl 8-(3-methylphenyl)-8-oxooctanoate (C17H24O3) is characterized by a steroid core, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
As a certified reference material (CRM), Ethyl 8-(3-methylphenyl)-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 | C17H24O3 |
| Molecular Weight | 276.37 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
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Recommended Standards
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- Felypressin Certified Reference Standard (CAS CATO-C1823585)
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- 4-((3-cyano-1-(pyridin-2-yl)piperidin-4-yl)amino)-6-((4-(oxazol-2-yl)phenyl)amino)nicotinamide (CAS 1227482-07-6)
- 5-(Benzyloxy)-N-ethyl-2-nitroaniline (CAS 1266247-03-3)
- 2-((3-(4-Fluorobenzyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)thio)-1-morpholinoethan-1-one (CAS 863453-10-5)
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- Semaglutide Impurity 192 (CAS CATO-C4X-2226192)
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