CAS 5334-99-6 appears in our catalog under these names: 1-Methyl-1h-pyrazolo[3,4-d]pyrimidin-4-ylamine, 95%, 1–methyl–1H–pyrazolo(3，4–d)pyrimidin–4–amine, 1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-ylamine 95%, 1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine, 95%+, 95%+, 1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-ylamine, 98%. Offered by: Combi-blocks, GLPBio, Ambeed, Chemat, Fluorochem. Available pack sizes: 100mg, 1g, 5g, 250mg, 10g.