(2S,4R)-4-bromopyrrolidine-2-carboxylic acid CAS 16257-71-9
| CAS No. | 16257-71-9 |
| Molecular Formula | C5H8BrNO2 |
| Molecular Weight | 194.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies (2S,4R)-4-bromopyrrolidine-2-carboxylic acid (CAS 16257-71-9), a certified reference material (molecular formula C5H8BrNO2, MW 194.03 g/mol) for analytical method development and quality control.
Based on its molecular formula C5H8BrNO2, (2S,4R)-4-bromopyrrolidine-2-carboxylic acid contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 194.03 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H8BrNO2 |
| Molecular Weight | 194.03 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- (2S,4S)-4-bromopyrrolidine-2-carboxylic acid (CAS 16257-69-5)
- 5-Chloro-2-(1-chloroethyl)-3-fluoropyridine (CAS 1637310-94-1)
- (3,5-Dichloro-4-fluorophenyl)methanamine (CAS 1542762-40-2)
- 3,4-Dichloro-5-fluorobenzylamine (CAS 1803784-25-9)
- 5-Amino-2-bromo-thiazole-4-carboxylic acid methyl ester (CAS 1373223-08-5)
- Ethyl 4-(2-methyl-5-phenyl-1h-pyrrol-1-yl)benzoate (CAS 340303-33-5)
- N-(3-Chlorobenzyl)-1'H-spiro[piperidine-4,2'-quinoxalin]-3'-amine (CAS 950455-15-9)
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- semaglutide (CAS 782487-28-9)
Why CATO?
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