8-Methyl-2,3-diphenylquinoline-4-carboxylic acid CAS 1298069-31-4
| CAS No. | 1298069-31-4 |
| Molecular Formula | C23H17NO2 |
| Molecular Weight | 339.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 339.39 g/mol gives 8-Methyl-2,3-diphenylquinoline-4-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
8-Methyl-2,3-diphenylquinoline-4-carboxylic acid (CAS 1298069-31-4) is a high-purity analytical reference standard with the molecular formula C23H17NO2 and a molecular weight of 339.39 g/mol.
Structurally, 8-Methyl-2,3-diphenylquinoline-4-carboxylic acid (C23H17NO2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 339.39 g/mol, it falls into the moderately-high-molecular-weight range. 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.
As a certified reference material (CRM), 8-Methyl-2,3-diphenylquinoline-4-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C23H17NO2 |
| Molecular Weight | 339.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
Related Methyl Standards
Recommended Standards
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- 2-([1,1'-Biphenyl]-4-yl)-3-methylquinoline-4-carboxylic acid (CAS 130507-59-4)
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- Semaglutide impurity 271 (CAS CATO-C4X-2226271)
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