Cobalt, compd. with erbium (5:1) is a chemical compound registered under CAS number 12017-59-3, with the molecular formula Co5Er and a molecular weight of about 461.92 g/mol. It is also known as Co5Er. ReagentForLab supplies Cobalt, compd. with erbium (5:1) for laboratory research and bulk production; product code 1244173. Send an inquiry for purity, packaging, price and lead time.