CAS 674792-06-4 appears in our catalog under these names: (S)-1-Boc-2-isobutyl-piperazine, 95%, (S)-1-Boc-2-isobutylpiperazine, 97% , (S)-tert-Butyl 2-isobutylpiperazine-1-carboxylate 97%, (S)-tert-Butyl 2-isobutylpiperazine-1-carboxylate, 97%, 97%, (S)-1-Boc-2-Isobutylpiperazine, 95%. Offered by: Combi-blocks, Thermo Scientific (Alfa Aesar), Ambeed, Chemat, Fluorochem. Available pack sizes: 250mg, 5g, 1g, 100mg, 2.5g, 25g.