CAS 1550998-45-2 appears in our catalog under these names: 1-{Pyrazolo(1,5-a)pyrazin-3-yl}ethan-1-one, 1-(Pyrazolo[1,5-a]pyrazin-3-yl)ethan-1-one 95%, 1-(Pyrazolo[1,5-a]pyrazin-3-yl)ethan-1-one, 95%, 95%. Offered by: Biosynth, Ambeed, Chemat. Available pack sizes: 50mg, 0,5g, 100mg, 250mg, 1g.