Copper, compd. with yttrium (5:1) is a chemical compound registered under CAS number 12444-47-2, with the molecular formula Cu5Y and a molecular weight of about 406.63 g/mol. It is also known as Cu5Y. ChemIBD supplies Copper, compd. with yttrium (5:1) for laboratory research and bulk production; product code 1256810. Send an inquiry for purity, packaging, price and lead time.