trans-1-tert-Butyl 4-methyl 3-fluoropiperidine-1,4-dicarboxylate CAS 1903833-67-9
| CAS No. | 1903833-67-9 |
| Molecular Formula | C12H20FNO4 |
| Molecular Weight | 261.29 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.
trans-1-tert-Butyl 4-methyl 3-fluoropiperidine-1,4-dicarboxylate (CAS 1903833-67-9) is a high-purity analytical reference standard with the molecular formula C12H20FNO4 and a molecular weight of 261.29 g/mol.
Based on its molecular formula C12H20FNO4, trans-1-tert-Butyl 4-methyl 3-fluoropiperidine-1,4-dicarboxylate contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 261.29 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), trans-1-tert-Butyl 4-methyl 3-fluoropiperidine-1,4-dicarboxylate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C12H20FNO4 |
| Molecular Weight | 261.29 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- (3,4)-Trans-1-tert-butyl 4-methyl 3-fluoropiperidine-1,4-dicarboxylate racemate (CAS 1864003-52-0)
- cis-1-tert-Butyl 4-methyl 3-fluoropiperidine-1,4-dicarboxylate (CAS 1904019-50-6)
- 4-((Tert-butoxycarbonyl)amino)-3-fluorocyclohexane-1-carboxylic acid (CAS 1823410-83-8)
- (1R,3S,4R)-4-((tert-butoxycarbonyl)amino)-3-fluorocyclohexane-1-carboxylic acid (CAS 1932803-06-9)
- Ethyl 3-(2,6-dimethylpiperidin-1-yl)propanoate (CAS 105836-42-8)
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