Aure Chemical's 4,4'-Bis(3-aminophenoxy)diphenyl sulfone (BAPS-M, CAS 30203-11-3),used in the synthesis of polyimides and advanced polymers. Featuring flexible ether linkages and a sulfone group, it imparts thermal stability, mechanical strength, chemical resistance, and biocompatibility to these materials, making them essential for applications in aerospace, electronics, and engineering.