3,3',5,5'-Tetrakis(pyridin-4-ylethynyl)-1,1'-biphenyl CAS 1185909-06-1
| CAS No. | 1185909-06-1 |
| Molecular Formula | C40H22N4 |
| Molecular Weight | 558.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3,3',5,5'-Tetrakis(pyridin-4-ylethynyl)-1,1'-biphenyl 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.
3,3',5,5'-Tetrakis(pyridin-4-ylethynyl)-1,1'-biphenyl (CAS 1185909-06-1) is a high-purity analytical reference standard with the molecular formula C40H22N4 and a molecular weight of 558.63 g/mol.
Based on its molecular formula C40H22N4, 3,3',5,5'-Tetrakis(pyridin-4-ylethynyl)-1,1'-biphenyl contains a nitrogen-containing heterocyclic scaffold, a nitrile group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 558.63 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 | C40H22N4 |
| Molecular Weight | 558.63 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 32.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 4 |
Related Tetrakis Standards
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