| CAS No. | 1836122-41-8 |
| Molecular Formula | C44H28N2O8 |
| Molecular Weight | 712.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4,4',4'',4'''-(1,4-Phenylenebis(pyridine-4,2,6-triyl))tetrabenzoic acid (CAS 1836122-41-8) is a high-purity analytical reference standard with the molecular formula C44H28N2O8 and a molecular weight of 712.70 g/mol.
Based on its molecular formula C44H28N2O8, 4,4',4'',4'''-(1,4-Phenylenebis(pyridine-4,2,6-triyl))tetrabenzoic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 712.70 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 4,4',4'',4'''-(1,4-Phenylenebis(pyridine-4,2,6-triyl))tetrabenzoic 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 | C44H28N2O8 |
| Molecular Weight | 712.70 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 32.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 2 |