3-[(3-phenoxyphenyl)methylidene]-1h,2h,3h-cyclopenta[b]quinoline-9-carboxylic acid CAS 726157-23-9
| CAS No. | 726157-23-9 |
| Molecular Formula | C26H19NO3 |
| Molecular Weight | 393.43 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.
3-[(3-phenoxyphenyl)methylidene]-1h,2h,3h-cyclopenta[b]quinoline-9-carboxylic acid (CAS 726157-23-9) is a high-purity analytical reference standard with the molecular formula C26H19NO3 and a molecular weight of 393.43 g/mol.
3-[(3-phenoxyphenyl)methylidene]-1h,2h,3h-cyclopenta[b]quinoline-9-carboxylic acid (C26H19NO3) 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 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 | C26H19NO3 |
| Molecular Weight | 393.43 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 1 |
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- 1-(3-fluorophenyl)propane-1,2-dione (CAS 10557-18-3)
- 6-Chloro-5-iodo-4-methylpyridin-2-amine (CAS 2369616-78-2)
- Semaglutide impurity 261 (CAS CATO-C4X-2226261)
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