CS 645A is a chemical compound registered under CAS number 117-27-1, with the molecular formula C15H13Cl2NO2 and a molecular weight of about 310.19 g/mol. It is also known as 1,1-(2-Nitropropylidene)bis(4-chlorobenzene); 1,1-Bis(p-chlorophenyl)-2-nitropropane; ENT-22784. KingChemi supplies CS 645A for laboratory research and bulk production; product code 1068821. Send an inquiry for purity, packaging, price and lead time.