(2Z,2'Z)-4,4'-(((1,3-Phenylenebis(oxy))bis(4,1-phenylene))bis(azanediyl))bis(4-oxobut-2-enoic acid) CAS 139262-76-3

Purity 97%+In StockPharmaceutical Standards
CAS No.139262-76-3
Molecular FormulaC26H20N2O8
Molecular Weight488.45 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(2Z,2'Z)-4,4'-(((1,3-Phenylenebis(oxy))bis(4,1-phenylene))bis(azanediyl))bis(4-oxobut-2-enoic acid) CAS 139262-76-3 chemical structure

Description

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

CATO supplies (2Z,2'Z)-4,4'-(((1,3-Phenylenebis(oxy))bis(4,1-phenylene))bis(azanediyl))bis(4-oxobut-2-enoic acid) (CAS 139262-76-3), a certified reference material (molecular formula C26H20N2O8, MW 488.45 g/mol) for analytical method development and quality control.

Structurally, (2Z,2'Z)-4,4'-(((1,3-Phenylenebis(oxy))bis(4,1-phenylene))bis(azanediyl))bis(4-oxobut-2-enoic acid) (C26H20N2O8) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 18.0, corresponding to approximately 18 ring(s) or double-bond equivalent(s). With a molecular weight of 488.45 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

CATO manufactures (2Z,2'Z)-4,4'-(((1,3-Phenylenebis(oxy))bis(4,1-phenylene))bis(azanediyl))bis(4-oxobut-2-enoic acid) under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC26H20N2O8
Molecular Weight488.45 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)18.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1996
Nitrogen Atoms2

Recommended Standards

Why CATO?