CAS 1992-48-9 appears in our catalog under these names: Tetraisopropyl orthosilicate, Tetraisopropyl Orthosilicate, >99.0%(GC), Tetraisopropyl orthosilicate 98%, Tetraisopropyl orthosilicate, 98%, 98%, Tetraisopropylsilane, 98%. Offered by: GLPBio, TCI, Ambeed, Chemat, Fluorochem. Available pack sizes: 100g, 10ml, 25g, 10g, 5g, 500g.