(S)-2-((((9h-fluoren-9-yl)methoxy)carbonyl)amino)-4-(perfluorophenyl)butanoic acid CAS 1260607-72-4
| CAS No. | 1260607-72-4 |
| Molecular Formula | C25H18F5NO4 |
| Molecular Weight | 491.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (S)-2-((((9h-fluoren-9-yl)methoxy)carbonyl)amino)-4-(perfluorophenyl)butanoic acid is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(S)-2-((((9h-fluoren-9-yl)methoxy)carbonyl)amino)-4-(perfluorophenyl)butanoic acid (CAS 1260607-72-4), molecular formula C25H18F5NO4 and molecular weight 491.41 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C25H18F5NO4, (S)-2-((((9h-fluoren-9-yl)methoxy)carbonyl)amino)-4-(perfluorophenyl)butanoic acid contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 491.41 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C25H18F5NO4 |
| Molecular Weight | 491.41 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.) | 1990 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(perfluorophenyl)butanoic acid (CAS 1260590-64-4)
- (Z)-3-(2,4-Dichloro-3-methoxy-5-((Z)-4-((4-methoxybenzyl)amino)-4-oxobut-2-en-2-yl)phenyl)-N-ethylbut-2-enamide (CAS 1956426-45-1)
- m-PEG9-Br (CAS 125562-30-3)
- (R)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(perfluorophenyl)butanoic acid (CAS 269398-94-9)
- 5-Bromo-4-((tert-butyldimethylsilyl)oxy)-1-methyl-1H-pyrazole (CAS 2810048-58-7)
- Methyl 2-bromo-5-cyclopropylthiazole-4-carboxylate (CAS 1408235-82-4)
- Cyclohexanecarboxylic acid isopropyl ester (CAS 6553-80-6)
- 3-Cyanopropyl carbamimidothioate hydrochloride (CAS 66592-89-0)
- 4-(4-Fluoro-phenyl)-1-trityl-1H-pyrazole (CAS 936359-90-9)
- (2-(Benzylthio)-4,5-dihydro-1H-imidazol-1-yl)(4-ethoxyphenyl)methanone (CAS 851863-79-1)
- N-(2,5-Difluorobenzyl)-1-ethyl-1H-pyrazol-4-amine hydrochloride (CAS 1856075-27-8)
- 2-[(3-Nitrophenyl)methyl]-2H,3H,5H,6H-benzo[h]cinnolin-3-one (CAS 478042-31-8)
- 6,7-Dihydro-5H-cyclopenta[b]pyridine 1-Oxide (CAS 90685-58-8)
- Semaglutide impurity 257 (CAS CATO-C4X-2226257)
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