2',5'-Bis(octyloxy)-[1,1':4',1''-terphenyl]-4,4''-dicarbaldehyde CAS 1801332-53-5
| CAS No. | 1801332-53-5 |
| Molecular Formula | C36H46O4 |
| Molecular Weight | 542.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2',5'-Bis(octyloxy)-[1,1':4',1''-terphenyl]-4,4''-dicarbaldehyde (CAS 1801332-53-5), molecular formula C36H46O4 and molecular weight 542.75 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2',5'-Bis(octyloxy)-[1,1':4',1''-terphenyl]-4,4''-dicarbaldehyde (C36H46O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 542.75 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.
As a certified reference material (CRM), 2',5'-Bis(octyloxy)-[1,1':4',1''-terphenyl]-4,4''-dicarbaldehyde 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 | C36H46O4 |
| Molecular Weight | 542.75 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
Related Bis Standards
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