Indium, compd. with yttrium (3:1) is a chemical compound registered under CAS number 12141-99-0, with the molecular formula In3Y and a molecular weight of about 433.35 g/mol. It is also known as In3Y. FireTardant supplies Indium, compd. with yttrium (3:1) for laboratory research and bulk production; product code 686301. Send an inquiry for purity, packaging, price and lead time.