CAS Registry Number

CAS 76189-56-5 — S)-(-)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl

(S)-(-)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl is a chiral ligand used in asymmetric catalysis, particularly in palladium- and nickel-catalyzed cross-coupling reactions. It is available with a molecular weight of 622.67 g/mol, CAS number 76189-56-5, and molecular formula [(C6H5)2PC10H6]2. Stored at ambient temperature, it carries a warning signal word. Molekula supplies (S)-(-)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl from research to bulk quantities with full documentation and ISO 9001:2015 traceability.