CAS 89831-43-6 appears in our catalog under these names: 5-Ethoxy-1h-pyrazole-3-carboxylic acid, 95%, 5-Ethoxy-1H-pyrazole-3-carboxylic acid, 98%, 5-Ethoxy-1H-pyrazole-3-carboxylic acid. Offered by: Combi-blocks, AmBeed, Biosynth. Available pack sizes: 5g, 1g, 250mg, 10g, 0,5g, 50mg.