CAS 109-01-3 appears in our catalog under these names: N-Methylpiperazine, min. 95 %, 250 g, 1-Methylpiperazine, 1-Methylpiperazine, >95% (GC), 1–Methylpiperazine, 1-Methylpiperazine, 98+% . Offered by: Roth, Chemat Brand, TRC, Mikromol, GLPBio. Available pack sizes: 250g, on request, 100g, 10g, 50g, 100mg, 2,5l, 500ml.