Ethyl 2-acetyl-5-(1,3-dioxoisoindolin-2-yl)pentanoate CAS 55747-45-0
| CAS No. | 55747-45-0 |
| Molecular Formula | C17H19NO5 |
| Molecular Weight | 317.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Ethyl 2-acetyl-5-(1,3-dioxoisoindolin-2-yl)pentanoate 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.
Ethyl 2-acetyl-5-(1,3-dioxoisoindolin-2-yl)pentanoate (CAS 55747-45-0) is a high-purity analytical reference standard with the molecular formula C17H19NO5 and a molecular weight of 317.34 g/mol.
The molecular framework of Ethyl 2-acetyl-5-(1,3-dioxoisoindolin-2-yl)pentanoate (C17H19NO5) is characterized by a flavonoid core, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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).
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.
Physical & Chemical Properties
| Molecular Formula | C17H19NO5 |
| Molecular Weight | 317.34 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 1 |
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