5-tert-Butyl 6-ethyl (6S)-4-oxo-5-azaspiro[2.4]heptane-5,6-dicarboxylate CAS 158196-41-9
| CAS No. | 158196-41-9 |
| Molecular Formula | C14H21NO5 |
| Molecular Weight | 283.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-tert-Butyl 6-ethyl (6S)-4-oxo-5-azaspiro[2.4]heptane-5,6-dicarboxylate 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.
5-tert-Butyl 6-ethyl (6S)-4-oxo-5-azaspiro[2.4]heptane-5,6-dicarboxylate (CAS 158196-41-9) is a high-purity analytical reference standard with the molecular formula C14H21NO5 and a molecular weight of 283.32 g/mol.
5-tert-Butyl 6-ethyl (6S)-4-oxo-5-azaspiro[2.4]heptane-5,6-dicarboxylate (C14H21NO5) contains a nitrogen-containing heterocyclic scaffold, 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C14H21NO5 |
| Molecular Weight | 283.32 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, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 2002 |
| Nitrogen Atoms | 1 |
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