(2S,4S)-1-(tert-butoxycarbonyl)-4-(difluoromethyl)pyrrolidine-2-carboxylic acid CAS 474417-79-3
| CAS No. | 474417-79-3 |
| Molecular Formula | C11H17F2NO4 |
| Molecular Weight | 265.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(2S,4S)-1-(tert-butoxycarbonyl)-4-(difluoromethyl)pyrrolidine-2-carboxylic acid (CAS 474417-79-3), molecular formula C11H17F2NO4 and molecular weight 265.25 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H17F2NO4, (2S,4S)-1-(tert-butoxycarbonyl)-4-(difluoromethyl)pyrrolidine-2-carboxylic acid 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 265.25 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).
As a certified reference material (CRM), (2S,4S)-1-(tert-butoxycarbonyl)-4-(difluoromethyl)pyrrolidine-2-carboxylic acid 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 | C11H17F2NO4 |
| Molecular Weight | 265.25 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- (2R,4S)-1-(tert-Butoxycarbonyl)-4-(difluoromethyl)pyrrolidine-2-carboxylic acid (CAS 2301881-92-3)
- (3r)-1-[(tert-butoxy)carbonyl]-5,5-difluoropiperidine-3-carboxylicacid (CAS 2166031-07-6)
- (2R,4R)-1-(tert-Butoxycarbonyl)-4-(difluoromethyl)pyrrolidine-2-carboxylic acid (CAS 2301881-91-2)
- (3R,4R)-1-(tert-Butoxycarbonyl)-4-(difluoromethyl)pyrrolidine-3-carboxylic acid (CAS 1993278-98-0)
- 2-(((1-Amino-3-phenylpropyl)(hydroxy)phosphoryl)methyl)-4-methylpentanoic acid (CAS 561007-44-1)
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