CAS 89088-57-3 appears in our catalog under these names: Ethyl 3-amino-1-methyl-1h-pyrazole-5-carboxylate hydrochloride, 95%, Ethyl 3-amino-1-methyl-1H-pyrazole-5-carboxylate, 95%, 1H-Pyrazole-5-carboxylic acid， 3-amino-1-methyl-， ethyl ester, 95%, 95%. Offered by: Combi-blocks, AmBeed, Chemat, Fluorochem. Available pack sizes: 250mg, 5g, 1g, 25g.