tert-Butyl 4-hydroxy-4-(1H-imidazol-2-yl)piperidine-1-carboxylate CAS 158654-95-6
| CAS No. | 158654-95-6 |
| Molecular Formula | C13H21N3O3 |
| Molecular Weight | 267.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
tert-Butyl 4-hydroxy-4-(1H-imidazol-2-yl)piperidine-1-carboxylate (CAS 158654-95-6), molecular formula C13H21N3O3 and molecular weight 267.32 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C13H21N3O3, tert-Butyl 4-hydroxy-4-(1H-imidazol-2-yl)piperidine-1-carboxylate contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 267.32 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C13H21N3O3 |
| Molecular Weight | 267.32 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 DMSO, DMF, methanol |
| 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 | 3 |
Recommended Standards
- 7,7-Diphenyl-2,5-dioxa-8-azaspiro[3.4]Octane (CAS 1556097-38-1)
- Benzyl 3-phenylazetidine-1-carboxylate (CAS 1640981-88-9)
- 7-(Benzyloxy)-6-methoxy-3,4-dihydroisoquinoline (CAS 15357-92-3)
- Ethyl 3-(2-ethoxy-2-oxoethylidene)-8-azabicyclo[3.2.1]Octane-8-carboxylate (CAS 1656294-86-8)
- 4-(Isothiocyanatomethyl)-1-methylpiperidine (CAS 1250783-91-5)
- (E)-N-Methyl-2-((1-(3-(thiophen-2-yl)acryloyl)piperidin-4-yl)sulfonyl)acetamide (CAS 1798399-44-6)
- 4-Chloro-2-hydrazinylpyridine dihydrochloride (CAS 1422388-79-1)
- Cefdinir Impurity 2 (CAS 128438-01-7)
- 3-methyl-1H,2H,3H-pyrido[2,3-b][1,4]oxazin-2-one (CAS 112777-31-8)
- tert-Butyl 5-bromo-3-formyl-1H-indole-1-carboxylate (CAS 325800-39-3)
- Fenofibrate EP Impurity F (CAS 154356-96-4)
- 2-(Pyrimidin-2-ylamino)-N-(thiophen-2-ylmethyl)thiazole-4-carboxamide (CAS 1251575-14-0)
- 4-Chloro-3-methoxybenzonitrile (CAS 189628-40-8)
- endo-Ser39-Tirzepatide (CAS CATO-CPTD788935)
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