CAS 1133-77-3 appears in our catalog under these names: 2-Phenyl-2H-pyrazole-3-carboxylic acid, 1-Phenyl-1H-pyrazole-5-carboxylic acid, 98%, 1-Phenyl-1H-pyrazole-5-carboxylic acid, 97% , 1-Phenyl-1H-pyrazole-5-carboxylic acid 98%, 1H-Pyrazole-5-carboxylicacid, 1-phenyl-, 98%, 98%. Offered by: Biosynth, Combi-blocks, Thermo Scientific, Ambeed, Chemat. Available pack sizes: 5g, 1g, 25g, 250MG, 100mg, 10g.