(R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(5-bromo-2-fluorophenyl)propanoic acid CAS 1997394-38-3
| CAS No. | 1997394-38-3 |
| Molecular Formula | C24H19BrFNO4 |
| Molecular Weight | 484.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(5-bromo-2-fluorophenyl)propanoic acid (CAS 1997394-38-3), molecular formula C24H19BrFNO4 and molecular weight 484.31 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(5-bromo-2-fluorophenyl)propanoic acid (C24H19BrFNO4) is characterized by a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine/bromine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C24H19BrFNO4 |
| Molecular Weight | 484.31 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(3-bromo-5-fluorophenyl)propanoic acid (CAS 1998690-04-2)
- (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(3-bromo-2-fluorophenyl)propanoic acid (CAS 2015410-80-5)
- (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(3-bromo-4-fluorophenyl)propanoic acid (CAS 1998625-78-7)
- (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(3-bromo-4-fluorophenyl)propanoic acid (CAS 2002558-87-2)
- Methyl 5-ethyl-2-hydroxybenzoate (CAS 79003-26-2)
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