4,4''-Di(10H-phenoxazin-10-yl)-[1,1':2',1''-terphenyl]-4',5'-dicarbonitrile CAS 1784766-39-7
| CAS No. | 1784766-39-7 |
| Molecular Formula | C44H26N4O2 |
| Molecular Weight | 642.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C44H26N4O2, 4,4''-Di(10H-phenoxazin-10-yl)-[1,1':2',1''-terphenyl]-4',5'-dicarbonitrile 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 642.70 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).
4,4''-Di(10H-phenoxazin-10-yl)-[1,1':2',1''-terphenyl]-4',5'-dicarbonitrile (CAS 1784766-39-7), molecular formula C44H26N4O2 and molecular weight 642.70 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C44H26N4O2 |
| Molecular Weight | 642.70 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) | 34.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 4 |
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