CAS 57260-71-6 appears in our catalog under these names: Olaparib Impurity 7, N-Boc-piperazine, >95% (HPLC), N–Boc–piperazine, Boc-Paz, 1-Boc-piperazine, 99% . Offered by: Chemat Brand, TRC, GLPBio, Iris Biotech, Thermo Scientific (Alfa Aesar). Available pack sizes: on request, 1g, 50g, 5g, 500mg, 100g, 250g, 25g.