4-((9H-Fluoren-2-yl)amino)-4-oxobutanoic acid CAS 59935-47-6
| CAS No. | 59935-47-6 |
| Molecular Formula | C17H15NO3 |
| Molecular Weight | 281.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-((9H-Fluoren-2-yl)amino)-4-oxobutanoic acid.
4-((9H-Fluoren-2-yl)amino)-4-oxobutanoic acid (CAS 59935-47-6), molecular formula C17H15NO3 and molecular weight 281.31 g/mol, is a CATO reference standard with documented purity and traceability.
4-((9H-Fluoren-2-yl)amino)-4-oxobutanoic acid (C17H15NO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 | C17H15NO3 |
| Molecular Weight | 281.31 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 1 |
Related H Standards
- (9H-Fluoren-9-yl)methyl 2-oxoethylcarbamate (CAS 156939-62-7)
- 2-(2-(9H-Fluoren-9-yl)phenyl)acetonitrile (CAS 121820-25-5)
- (9H-Fluoren-9-yl)methyl (2-aminoethyl)carbamate (CAS 166410-32-8)
- (9H-fluoren-9-yl)methyl 1,2-dimethylhydrazinecarboxylate (CAS 858353-45-4)
- 2-(9H-Fluoren-9-ylidene)-1-phenylethanone (CAS 5653-33-8)
- 1-((9H-Fluoren-9-yl)methyl)piperidin-4-ol (CAS 88754-46-5)
- (9H-fluoren-9-yl)methyl allylcarbamate (CAS 856438-23-8)
- 4-((9H-Fluoren-3-yl)amino)-4-oxobut-2-enoic acid (CAS 6296-24-8)
Recommended Standards
- 3-Oxo-n-(4-(phenyldiazenyl)phenyl)butanamide (CAS 38659-87-9)
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- 3-Oxo-2-phenethylindoline-4-carboxylic acid (CAS 728024-53-1)
- 4-(1,10-Phenanthrolin-5-yl)benzonitrile (CAS 2030122-06-4)
- 2-Chloro-7-iodo-6-methylthieno[3,2-d]pyrimidine (CAS 2033057-22-4)
- 2-hydroxy-5-(prop-2-ynamido)benzoic acid (CAS 1016774-29-0)
- Ethyl 3-(1-methyl-1h-pyrazol-4-yl)isoxazole-5-carboxylate (CAS 1356543-58-2)
- Methotrexate Impurity 24 (CAS CATO-C4X-115424)
- Apomorphine Impurity 2 (CAS CATO-C4X-21172)
- (2-Mercapto-1-propyl-1H-imidazol-5-yl)methanol (CAS 497855-87-5)
- 1-(4-Chloro-2-fluorophenyl)-2-methylpropan-1-one (CAS 1341892-32-7)
- N-(5-(tert-Butyl)isoxazol-3-yl)-2-phenylacetamide (CAS 959240-89-2)
- 3-Methylcyclopentane-1-carboxylic acid (CAS 24070-68-6)
- Semaglutide Impurity 183 (CAS 159541-28-3)
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