(3R,4S)-1-(tert-Butoxycarbonyl)-3-fluoropiperidine-4-carboxylic acid CAS 1932149-31-9
| CAS No. | 1932149-31-9 |
| Molecular Formula | C11H18FNO4 |
| Molecular Weight | 247.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(3R,4S)-1-(tert-Butoxycarbonyl)-3-fluoropiperidine-4-carboxylic acid (CAS 1932149-31-9) is a high-purity analytical reference standard with the molecular formula C11H18FNO4 and a molecular weight of 247.26 g/mol.
Structurally, (3R,4S)-1-(tert-Butoxycarbonyl)-3-fluoropiperidine-4-carboxylic acid (C11H18FNO4) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution. 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 247.26 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (3R,4S)-1-(tert-Butoxycarbonyl)-3-fluoropiperidine-4-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H18FNO4 |
| Molecular Weight | 247.26 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, ethanol, DMSO |
| 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.) | 1996 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- rel-(3S,4S)-1-(tert-Butoxycarbonyl)-3-fluoropiperidine-4-carboxylic acid (CAS 1903422-62-7)
- (2R,4R)-1-[(tert-butoxy)carbonyl]-4-fluoropiperidine-2-carboxylic acid (CAS 2165800-31-5)
- 2-(tert-butylsulfanyl)-1,3-difluoro-5-nitrobenzene (CAS 1864016-58-9)
- (2R,4R)-1-tert-Butyl 2-methyl 4-fluoropyrrolidine-1,2-dicarboxylate (CAS 647857-43-0)
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