CAS 194156-55-3 appears in our catalog under these names: 3-Boc-aminobutyronitrile, 95%, tert-Butyl (1-cyanopropan-2-yl)carbamate 97%, tert-Butyl (1-cyanopropan-2-yl)carbamate, 97%, 97%, tert-Butyl (1-cyanopropan-2-yl)carbamate, 97%. Offered by: Combi-blocks, Ambeed, Chemat, Fluorochem. Available pack sizes: 1g, 250mg, 100mg, 5g, 10g.