CAS 20518-17-6 appears in our catalog under these names: 1-(4-Methylphenyl)pyrazole, 98%, 1-p-Tolylpyrazole 98%, 1-(4-Methylphenyl)pyrazole, 98%, 98%, 1-p-Tolyl-1H-pyrazole, 98%. Offered by: Combi-blocks, Ambeed, Chemat, Fluorochem. Available pack sizes: 10g, 5g, 25g, 1g, 250mg, 100mg.