1-tert-Butyl 2-ethyl (2S,4R)-4-hydroxypiperidine-1,2-dicarboxylate CAS 180854-45-9
| CAS No. | 180854-45-9 |
| Molecular Formula | C13H23NO5 |
| Molecular Weight | 273.33 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.
1-tert-Butyl 2-ethyl (2S,4R)-4-hydroxypiperidine-1,2-dicarboxylate (CAS 180854-45-9) is a high-purity analytical reference standard with the molecular formula C13H23NO5 and a molecular weight of 273.33 g/mol.
Based on its molecular formula C13H23NO5, 1-tert-Butyl 2-ethyl (2S,4R)-4-hydroxypiperidine-1,2-dicarboxylate contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 273.33 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.
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 | C13H23NO5 |
| Molecular Weight | 273.33 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.) | 2008 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 1-(tert-Butyl) 4-ethyl (3S,4R)-3-hydroxypiperidine-1,4-dicarboxylate (CAS 1805790-50-4)
- 1-tert-Butyl 2-ethyl (2S,4S)-4-hydroxypiperidine-1,2-dicarboxylate (CAS 180854-46-0)
- 1-(tert-Butyl) 4-ethyl (3R,4S)-3-hydroxypiperidine-1,4-dicarboxylate (CAS 1805790-44-6)
- 1-(Tert-butyl) 2-methyl 5-(2-hydroxyethyl)pyrrolidine-1,2-dicarboxylate (CAS 1822341-48-9)
- 5-(4-Cyanophenyl)nicotinamide (CAS 1346691-59-5)
- Methyl 4-Formamidobenzoate (CAS 53405-05-3)
- N-((1-(2-Aminoethyl)piperidin-2-yl)methyl)acetamide (CAS 1353988-60-9)
- Ethyl 1-(3-aminopropyl)piperidine-4-carboxylate (CAS 203664-62-4)
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