(2S,4R)-4-(4-Chlorobenzyl)pyrrolidine-2-carboxylic acid CAS 1049978-20-2
| CAS No. | 1049978-20-2 |
| Molecular Formula | C12H14ClNO2 |
| Molecular Weight | 239.70 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.
(2S,4R)-4-(4-Chlorobenzyl)pyrrolidine-2-carboxylic acid (CAS 1049978-20-2) is a high-purity analytical reference standard with the molecular formula C12H14ClNO2 and a molecular weight of 239.70 g/mol.
Based on its molecular formula C12H14ClNO2, (2S,4R)-4-(4-Chlorobenzyl)pyrrolidine-2-carboxylic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 239.70 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.
CATO manufactures (2S,4R)-4-(4-Chlorobenzyl)pyrrolidine-2-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 | C12H14ClNO2 |
| Molecular Weight | 239.70 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 tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- (2S,4R)-4-(3-Chlorobenzyl)pyrrolidine-2-carboxylic acid (CAS 1049978-11-1)
- N-[(3-chlorophenyl)methyl]-N-methyl-3-oxobutanamide (CAS 105964-54-3)
- (2S,4R)-4-(2-Chlorobenzyl)pyrrolidine-2-carboxylic acid (CAS 1049978-05-3)
- 5-(Methylcarbamoyl)thiophene-3-sulfonyl chloride (CAS 1060817-61-9)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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