CAS 2108104-90-9 appears in our catalog under these names: 4-(Piperazin-1-yl)pyrimidine hydrochloride, 95%, 4-(Piperazin-1-yl)pyrimidine hydrochloride, 98%, 4-(Piperazin-1-yl)pyrimidine hydrochloride. Offered by: Combi-blocks, AmBeed, Biosynth. Available pack sizes: 10g, 5g, 1g, 2,5g.