2',5'-Bis(octyloxy)-[1,1':4',1''-terphenyl]-4,4''-dicarbaldehyde CAS 1801332-53-5

Purity 97%+In StockPharmaceutical Standards
CAS No.1801332-53-5
Molecular FormulaC36H46O4
Molecular Weight542.75 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2',5'-Bis(octyloxy)-[1,1':4',1''-terphenyl]-4,4''-dicarbaldehyde CAS 1801332-53-5 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 FormulaC36H46O4
Molecular Weight542.75 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at room temperature, protect from light, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1995

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