(2S,4S)-4-bromopyrrolidine-2-carboxylic acid CAS 16257-69-5
| CAS No. | 16257-69-5 |
| Molecular Formula | C5H8BrNO2 |
| Molecular Weight | 194.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (2S,4S)-4-bromopyrrolidine-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.
CATO supplies (2S,4S)-4-bromopyrrolidine-2-carboxylic acid (CAS 16257-69-5), a certified reference material (molecular formula C5H8BrNO2, MW 194.03 g/mol) for analytical method development and quality control.
Owing to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, (2S,4S)-4-bromopyrrolidine-2-carboxylic acid is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 194.03 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.
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
- (3,5-Dichloro-4-fluorophenyl)methanamine (CAS 1542762-40-2)
- (2S,4R)-4-bromopyrrolidine-2-carboxylic acid (CAS 16257-71-9)
- (3,5-Dichloro-2-fluorophenyl)methanamine (CAS 1525889-94-4)
- 5-Chloro-2-(1-chloroethyl)-3-fluoropyridine (CAS 1637310-94-1)
- 5-(1-Methyl-1H-benzo[d]imidazol-2-yl)pentanoic acid (CAS 887031-18-7)
- N-(3-nitrophenyl)-2-((5-phenyl-1,3,4-oxadiazol-2-yl)thio)acetamide (CAS 332101-18-5)
- (8-Propyl-8-azabicyclo[3.2.1]octan-3-yl)methanamine (CAS 1210532-11-8)
- (4-(Difluoromethoxy)-3-fluoropyridin-2-yl)methanamine hydrochloride (CAS 2231673-38-2)
- 6-[4,5-Dimethyl-2-thiazolyl]aminonicotinic Acid (CAS 1273946-12-5)
- (S)-1-(3-aminopyrrolidin-1-yl)-2,2,2-trifluoroethan-1-one (CAS 178688-08-9)
- SB 203580 (CAS 152121-47-6)
- 4-ethylmorpholine-2-carbonitrile (CAS 1354950-43-8)
- 4-bromo-6-chloro-5-nitro-2,3-dihydro-1-benzofuran (CAS 2668262-44-8)
- D-[Ser]8-Semaglutide (CAS CATO-CPTD788632)
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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