5,7-Diethyl-6,8-dioxo-5,7-diazaspiro[3.4]octane-2-carboxylic acid CAS 1706434-93-6
| CAS No. | 1706434-93-6 |
| Molecular Formula | C11H16N2O4 |
| Molecular Weight | 240.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5,7-Diethyl-6,8-dioxo-5,7-diazaspiro[3.4]octane-2-carboxylic acid is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5,7-Diethyl-6,8-dioxo-5,7-diazaspiro[3.4]octane-2-carboxylic acid (CAS 1706434-93-6), molecular formula C11H16N2O4 and molecular weight 240.26 g/mol, is a CATO reference standard with documented purity and traceability.
5,7-Diethyl-6,8-dioxo-5,7-diazaspiro[3.4]octane-2-carboxylic acid (C11H16N2O4) contains an amino-acid-derived structure, 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), 5,7-Diethyl-6,8-dioxo-5,7-diazaspiro[3.4]octane-2-carboxylic acid 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 | C11H16N2O4 |
| Molecular Weight | 240.26 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 methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 2 |
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