| CAS No. | 1273576-64-9 |
| Molecular Formula | C11H16N2O5 |
| Molecular Weight | 256.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 256.26 g/mol gives 2-(tert-Butoxycarbonyl)-5-oxa-2,6-diazaspiro[3.4]oct-6-ene-7-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(tert-Butoxycarbonyl)-5-oxa-2,6-diazaspiro[3.4]oct-6-ene-7-carboxylic acid (CAS 1273576-64-9), molecular formula C11H16N2O5 and molecular weight 256.26 g/mol, is a CATO reference standard with documented purity and traceability.
2-(tert-Butoxycarbonyl)-5-oxa-2,6-diazaspiro[3.4]oct-6-ene-7-carboxylic acid (C11H16N2O5) 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).
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), 2-(tert-Butoxycarbonyl)-5-oxa-2,6-diazaspiro[3.4]oct-6-ene-7-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.
| Molecular Formula | C11H16N2O5 |
| Molecular Weight | 256.26 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.) | 1990 |
| Nitrogen Atoms | 2 |