tert-Butyl 9-hydroxy-1-oxa-4-azaspiro[5.5]undecane-4-carboxylate CAS 2411253-94-4
| CAS No. | 2411253-94-4 |
| Molecular Formula | C14H25NO4 |
| Molecular Weight | 271.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies tert-Butyl 9-hydroxy-1-oxa-4-azaspiro[5.5]undecane-4-carboxylate (CAS 2411253-94-4), a certified reference material (molecular formula C14H25NO4, MW 271.35 g/mol) for analytical method development and quality control.
Structurally, tert-Butyl 9-hydroxy-1-oxa-4-azaspiro[5.5]undecane-4-carboxylate (C14H25NO4) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 271.35 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C14H25NO4 |
| Molecular Weight | 271.35 g/mol |
| Appearance | 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2000 |
| Nitrogen Atoms | 1 |
Recommended Standards
- tert-Butyl 4-hydroxy-1-oxa-9-azaspiro[5.5]undecane-9-carboxylate (CAS 374796-29-9)
- tert-butyl N-[(1R)-1-(1-naphthyl)ethyl]carbamate (CAS 518335-32-5)
- Tert-butyl 4-hydroxy-1-oxa-8-azaspiro[5.5]Undecane-8-carboxylate (CAS 2384956-24-3)
- tert-Butyl N-[(1S)-1-(naphthalen-1-yl)ethyl]carbamate (CAS 683788-80-9)
- (E)-1-(4-(5-Cyclopropyl-1,3,4-oxadiazol-2-yl)piperidin-1-yl)-3-(thiophen-2-yl)prop-2-en-1-one (CAS 1211932-10-3)
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- Semaglutide impurity 250 (CAS CATO-C4X-2226250)
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