| CAS No. | 2171541-41-4 |
| Molecular Formula | C32H23NO4 |
| Molecular Weight | 485.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 485.53 g/mol gives 2'-(Diphenylamino)-[1,1':4',1''-terphenyl]-4,4''-dicarboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2'-(Diphenylamino)-[1,1':4',1''-terphenyl]-4,4''-dicarboxylic acid (CAS 2171541-41-4) is a high-purity analytical reference standard with the molecular formula C32H23NO4 and a molecular weight of 485.53 g/mol.
Structurally, 2'-(Diphenylamino)-[1,1':4',1''-terphenyl]-4,4''-dicarboxylic acid (C32H23NO4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 22.0, corresponding to approximately 22 ring(s) or double-bond equivalent(s). With a molecular weight of 485.53 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 2'-(Diphenylamino)-[1,1':4',1''-terphenyl]-4,4''-dicarboxylic 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.
| Molecular Formula | C32H23NO4 |
| Molecular Weight | 485.53 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) | 22.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 1 |