(3R)-4-(Benzyloxy)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoic acid CAS 1233495-08-3
| CAS No. | 1233495-08-3 |
| Molecular Formula | C26H25NO5 |
| Molecular Weight | 431.48 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.
(3R)-4-(Benzyloxy)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoic acid (CAS 1233495-08-3), molecular formula C26H25NO5 and molecular weight 431.48 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C26H25NO5, (3R)-4-(Benzyloxy)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoic acid contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 431.48 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C26H25NO5 |
| Molecular Weight | 431.48 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-O-benzyl-L-homoserine (CAS 1185841-92-2)
- (S)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-(2-methoxybenzyl)propanoic acid (CAS 1260591-57-8)
- 0452AD 1185301-96-5 C26H25NO5 Fmoc-alpha-methyl-3-methoxy-DL-phenylalanine (CAS 1185301-96-5)
- (R)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-(2-methoxybenzyl)propanoic acid (CAS 1260591-61-4)
- 2-((1-Phenylethyl)amino)acetamide (CAS 756447-60-6)
- 3,4-Difluoro-5-(isopentyloxy)benzaldehyde (CAS 1443343-88-1)
- (4-Amino-2-(trifluoromethyl)phenyl)boronic acid (CAS 1393477-28-5)
- 4-(4-aminophenyl)piperidine-2,6-dione (CAS 954124-23-3)
- (3-(Pyrrolidin-1-ylsulfonyl)phenyl)boronic acid (CAS 871329-61-2)
- 5-Bromo-3-butyl-1H-indazole (CAS 1314988-13-0)
- 4,4,5,5-Tetramethyl-2-(tetrahydro-2h-thiopyran-4-yl)-1,3,2-dioxaborolane (CAS 1264198-70-0)
- 2-amino-2-(3-methyl-1,2,4-oxadiazol-5-yl)ethan-1-ol (CAS 1039841-86-5)
- 6-Chloro-N,N,2-trimethylpyrimidin-4-amine (CAS 58514-89-9)
- Semaglutide Impurity 129 (CAS 2490269-79-7)
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