CAS 20055-00-9 appears in our catalog under these names: 1-Methyl-4-nitro-1H-pyrazol-3-amine, 1-Methyl-4-nitro-1H-pyrazol-3-amine 98%, 1-Methyl-4-nitro-1H-pyrazol-3-amine, 98%, 98%. Offered by: Biosynth, Ambeed, Chemat. Available pack sizes: 10g, 1g, 250mg, 5g.