Catsyn offer gram to tons of 5'-(4-Formyl-3-methoxyphenyl)-3,3''-dimethoxy-[1,1':3',1''-terphenyl]-4,4''-dicarbaldehyde | CAS 2254817-04-2, its formula is C30H24O6, molecular weight is 480.51g/mol and the purity is usually NLT 98%.