CAS 51640-52-9 appears in our catalog under these names: 2-Amino-5-cyanothiazole, 97%, 2–Aminothiazole–5–carbonitrile, 2-Aminothiazole-5-carbonitrile 97%, 2-Aminothiazole-5-carbonitrile, 95%. Offered by: Combi-blocks, GLPBio, Ambeed, Fluorochem. Available pack sizes: 25g, 5g, 100g, 1g, 250mg, 10g.