CAS 879896-48-7 appears in our catalog under these names: 1-Methyl-3-thien-2-yl-1h-pyrazole-5-carbaldehyde, 95%, 1-Methyl-3-thien-2-yl-1H-pyrazole-5-carbaldehyde, 97% , 1-Methyl-3-(thiophen-2-yl)-1H-pyrazole-5-carbaldehyde, 97%. Offered by: Combi-blocks, Thermo Scientific, Fluorochem. Available pack sizes: 250mg, 1g.