CAS 216066-95-4 appears in our catalog under these names: Pyrazolo(1，5–a)pyrimidin–5–amine, Pyrazolo(1,5-a)pyrimidin-5-amine, Pyrazolo[1,5-a]pyrimidin-5-amine 98%, Pyrazolo[1,5-a]pyrimidin-5-amine, 98%, 98%, Pyrazolo[1,5-a]pyrimidin-5-amine, 98%. Offered by: GLPBio, Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 50mg, 100mg, 1g, 250mg.