4,4-Bis(maleoylamino)azobenzene (CAS 77280-58-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C20H12N4O4. Molecular weight: 372.33 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
Molecular Formula
C20H12N4O4
Molecular Weight
372.33 g/mol
Appearance
Pale yellow to yellow crystalline powder
Purity
97%+
Storage
Store at 2-8°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