CAS 7101-31-7 appears in our catalog under these names: Dimethyldiselenide, Dimethyl diselenide, 99% , Dimethyl Diselenide, >98.0%(GC), Dimethyldiselenide 95%, DIMETHYL DISELENIDE, 96%. Offered by: GLPBio, Thermo Scientific (Alfa Aesar), TCI, Ambeed, Sigma-Aldrich. Available pack sizes: 100g, 25g, 5g, 1g, 200mg.