CAS 4623-55-6 appears in our catalog under these names: 2-Amino-4-methylthiophene-3-carbonitrile, 98%, 2–Amino–4–methylthiophene–3–carbonitrile, 2-Amino-4-methylthiophene-3-carbonitrile, 2-Amino-4-methylthiophene-3-carbonitrile 98%. Offered by: Combi-blocks, GLPBio, Biosynth, Ambeed, Fluorochem. Available pack sizes: 1g, 25g, 5g, 10g, 250mg.