Catsyn offer gram to tons of (S)-(-)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthalenechloro(P-cymene)ruthenium chloride | CAS 130004-33-0, its formula is C54H46Cl2P2Ru, molecular weight is 928.87g/mol and the purity is usually NLT 98%.