Ethyl 3-oxo-2-azaspiro[4.4]Nonane-4-carboxylate CAS 129321-67-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 129321-67-1 |
| Molecular Formula | C11H17NO3 |
| Molecular Weight | 211.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
Ethyl 3-oxo-2-azaspiro[4.4]Nonane-4-carboxylate (CAS 129321-67-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H17NO3. Molecular weight: 211.26 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H17NO3 |
| Molecular Weight | 211.26 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 1 |
Recommended Standards
- tert-butyl 7-oxo-5-azaspiro[2.4]heptane-5-carboxylate (CAS 129321-62-6)
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- 1,4-dioxa-10-azadispiro[4.2.4⁸.2⁵]tetradecan-9-one (CAS 1292278-70-6)
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- Insulin Degludec Impurity 27 (CAS CATO-C4X-215727)
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