CAS 4342-61-4 appears in our catalog under these names: 1,2–Dichloro–1,1,2,2–tetramethyldisilane, 1,2-Dichlorotetramethyldisilane, >95.0%(GC), 1,2-DICHLOROTETRAMETHYLDISILANE, 95%. Offered by: GLPBio, TCI, Sigma-Aldrich. Available pack sizes: 25g, 5g, 5ML.