1,1'-Bis(4-(ethoxycarbonyl)phenyl)-[4,4'-bipyridine]-1,1'-diium CAS 299184-27-3

Purity 97%+In StockPharmaceutical Standards
CAS No.299184-27-3
Molecular FormulaC28H26N2O4
Molecular Weight454.52 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,1'-Bis(4-(ethoxycarbonyl)phenyl)-[4,4'-bipyridine]-1,1'-diium CAS 299184-27-3 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.

1,1'-Bis(4-(ethoxycarbonyl)phenyl)-[4,4'-bipyridine]-1,1'-diium (CAS 299184-27-3) is a high-purity analytical reference standard with the molecular formula C28H26N2O4 and a molecular weight of 454.52 g/mol.

1,1'-Bis(4-(ethoxycarbonyl)phenyl)-[4,4'-bipyridine]-1,1'-diium (C28H26N2O4) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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).

As a certified reference material (CRM), 1,1'-Bis(4-(ethoxycarbonyl)phenyl)-[4,4'-bipyridine]-1,1'-diium 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 FormulaC28H26N2O4
Molecular Weight454.52 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)17.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms2

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