| CAS No. | 930909-16-3 |
| Molecular Formula | C18H21N3O4 |
| Molecular Weight | 343.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 343.38 g/mol gives N-(3-acetylphenyl)-2-(2,4-dioxo-1,3-diazaspiro[4.5]Decan-3-yl)acetamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
N-(3-acetylphenyl)-2-(2,4-dioxo-1,3-diazaspiro[4.5]Decan-3-yl)acetamide (CAS 930909-16-3), molecular formula C18H21N3O4 and molecular weight 343.38 g/mol, is a CATO reference standard with documented purity and traceability.
N-(3-acetylphenyl)-2-(2,4-dioxo-1,3-diazaspiro[4.5]Decan-3-yl)acetamide (C18H21N3O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, 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).
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), N-(3-acetylphenyl)-2-(2,4-dioxo-1,3-diazaspiro[4.5]Decan-3-yl)acetamide 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 | C18H21N3O4 |
| Molecular Weight | 343.38 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |