(2S,4S)-1-(tert-Butoxycarbonyl)-4-(2-fluoro-phenoxy)-2-pyrrolidinecarboxylic acid CAS 686766-52-9
| CAS No. | 686766-52-9 |
| Molecular Formula | C16H20FNO5 |
| Molecular Weight | 325.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution, (2S,4S)-1-(tert-Butoxycarbonyl)-4-(2-fluoro-phenoxy)-2-pyrrolidinecarboxylic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 325.33 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
(2S,4S)-1-(tert-Butoxycarbonyl)-4-(2-fluoro-phenoxy)-2-pyrrolidinecarboxylic acid (CAS 686766-52-9), molecular formula C16H20FNO5 and molecular weight 325.33 g/mol, is a CATO reference standard with documented purity and traceability.
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.
As a certified reference material (CRM), (2S,4S)-1-(tert-Butoxycarbonyl)-4-(2-fluoro-phenoxy)-2-pyrrolidinecarboxylic 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 | C16H20FNO5 |
| Molecular Weight | 325.33 g/mol |
| Appearance | Off-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 |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- (12-Bromododecyl)benzene (CAS 85070-63-9)
- (2S,4S)-1-(tert-Butoxycarbonyl)-4-(3-fluoro-phenoxy)-2-pyrrolidinecarboxylic acid (CAS 869681-96-9)
- 5-Bromo-1,2,3-tri-tert-butylbenzene (CAS 1951441-92-1)
- (2S,4S)-1-(tert-butoxycarbonyl)-4-(4-fluorophenoxy)pyrrolidine-2-carboxylic acid (CAS 869681-94-7)
- [4-Amino-1-(tetrahydropyran-4-yl)-1H-pyrazolo[3,4-d]pyrimidin-3-yl]methanol (CAS 1187974-51-1)
- Diethyl 2,6-dimethyl-4-(5-(2-nitrophenyl)furan-2-yl)-1,4-dihydropyridine-3,5-dicarboxylate (CAS 104024-40-0)
- 1-(2-Methoxyphenyl)-2,3-butadien-1-one (CAS 1432479-60-1)
- Meisoindigo (CAS 97207-47-1)
- 3-Chloro-1,2,4-triazole (CAS 6818-99-1)
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- 2-(3-Bromo-5-fluoro-2-methoxyphenyl)-1,3-dioxolane (CAS 2221812-40-2)
- Ilaprazole Impurity 33 (CAS 2285346-40-7 (free base))
- Polymyxin B nonapeptide (CAS 86408-36-8)
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