CAS 873815-22-6 is the registry number for TEtracarbonyl-μ-hydro[(1,2,3,4,5-η)-1-hydroxylato-2,3,4,5-tetrakis(4-methoxyphenyl)-2,4-cyclopentadien-1-yl][(1,2,3,4,5-η)-1-hydroxy-2,3,4,5-tetrakis(4-methoxyphenyl)-2,4-cyclopentadien-1-yl]diruthenium, 98%. Offered by: Chemat Brand. Available pack sizes: on request.