CAS 98789-40-3 appears in our catalog under these names: DIMETHYLTETRAMETHOXYDISILETHYLENE, 3,6-Dimethoxy-3,6-dimethyl-2,7-dioxa-3,6-disilaoctane 97%, 1,2-Bis(Methyldimethoxysilyl)ethane, 97%, 97%. Offered by: GLPBio, Ambeed, Chemat, Fluorochem. Available pack sizes: 10g, 1g, 5g, 25g, 100g.