CAS 34066-75-6 appears in our catalog under these names: N,N'-Bis(4-aminophenyl)benzene-1,4-dicarboxamide, 95%, N，N'–bis(4–aminophenyl)benzene–1，4–dicarboxamide, n,n'-Bis(4-aminophenyl)terephthalamide, 95%, 95%, N1,N4-bis(4-aminophenyl)terephthalamide, 95%. Offered by: Combi-blocks, AmBeed, GLPBio, Chemat, Fluorochem. Available pack sizes: 1g, 250mg, 100mg, 50mg.