Yttrium oxide sulfide is a chemical compound registered under CAS number 11099-13-1, with the molecular formula O3S3Y4 and a molecular weight of about 499.82 g/mol. Its EINECS (EC) number is 234-327-7. It is also known as Sulfur yttrium oxide; Einecs 234-327-7. DeWeiChem supplies Yttrium oxide sulfide for laboratory research and bulk production; product code 1355267. Send an inquiry for purity, packaging, price and lead time.