CAS 3029269-47-1 is the registry number for 5',5'''-bis(4-Carboxyphenyl)-3'',4'',5'',6''-tetrakis(4,4''-dicarboxy-[1,1':3',1''-terphenyl]-5'-yl)-[1,1':3',1'':2'',1''':3''',1''''-quinquephenyl]-4,4''''-dicarboxylic acid, 98%. Offered by: Fluorochem. Available pack sizes: 100mg, 250mg, 1g.