CAS 39001-23-5 appears in our catalog under these names: Thiophene-3-carbohydrazide, 98%, Thiophene-3-carbohydrazide 98%, Thiophene-3-carbohydrazide, 98%, 98%, 3-Thiophenecarboxylic acid hydrazide, 98%. Offered by: Combi-blocks, Ambeed, Chemat, Fluorochem. Available pack sizes: 10g, 5g, 1g, 250mg, 100mg, 500mg.