Tert-butyl 4-(5-aminoisoxazol-3-yl)piperidine-1-carboxylate CAS 1253789-76-2
| CAS No. | 1253789-76-2 |
| Molecular Formula | C13H21N3O3 |
| Molecular Weight | 267.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C13H21N3O3, Tert-butyl 4-(5-aminoisoxazol-3-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. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Tert-butyl 4-(5-aminoisoxazol-3-yl)piperidine-1-carboxylate (CAS 1253789-76-2) is a high-purity analytical reference standard with the molecular formula C13H21N3O3 and a molecular weight of 267.32 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | 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.) | 1990 |
| Nitrogen Atoms | 3 |
Recommended Standards
- tert-Butyl 4-(hydroxymethyl)-3-methyl-6,7-dihydro-3H-imidazo[4,5-c]pyridine-5(4H)-carboxylate (CAS 1251017-76-1)
- 4-methyl-3-(pyridin-2-ylsulfonyl)thiophene-2-carbaldehyde (CAS 1258283-07-6)
- tert-Butyl 6-(hydroxymethyl)-5,6,7,9-tetrahydroimidazo[1,2-a][1,4]diazepine-8-carboxylate (CAS 1251017-49-8)
- (3'-Hydroxy-[1,1'-biphenyl]-2-yl)(pyrrolidin-3-yl)methanone (CAS 1261944-77-7)
- 2-((Tetrahydrofuran-3-yl)oxy)aniline (CAS 917909-29-6)
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- 2-(Benzylsulfanyl)pyridin-4-amine (CAS 1247368-95-1)
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- Ethyl 1-(4-iodo-1H-pyrazol-1-yl)cyclobutane-1-carboxylate (CAS 1022092-35-8)
- tert-Butyl (S)-2-methyl-4-((4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)methylene)pyrrolidine-1-carboxylate (CAS 2879335-01-8)
- 2,2'-((1E,1'E)-Hydrazine-1,2-diylidenebis(methanylylidene))diphenol (CAS 41097-51-2)
- Micafungin Impurity 8 (CAS CATO-C4X-16958)
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