Copper orthoarsenate is a chemical compound registered under CAS number 7778-41-8, with the molecular formula As2Cu3O8 and a molecular weight of about 468.47 g/mol. It is also known as Arsenic acid (H3aso4), copper(2+) salt (2:3). CKSPharm supplies Copper orthoarsenate for laboratory research and bulk production; product code 425027. Send an inquiry for purity, packaging, price and lead time.