CAS 152958-91-3 appears in our catalog under these names: Trimethoxy(4-phenylbutyl)silane, 98%, 98%, Trimethoxy(4-phenylbutyl)silane, 99.63%, 4-Phenylbutyltrimethoxy silane, 98%. Offered by: Chemat, MedChemExpress, Fluorochem. Available pack sizes: 100mg, 250mg, 1g, 5g, 10g, 25g, 25 g, 10 g.