CAS 350999-89-2 appears in our catalog under these names: 3-(4-Ethylphenyl)-1h-pyrazole-4-carbaldehyde, 95%, 5-(4-Ethylphenyl)-1h-pyrazole-4-carbaldehyde, 95%, 3-(4-Ethylphenyl)-1H-pyrazole-4-carbaldehyde, 98%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 250mg, 25g, 5g, 10g, 1g.