CAS 4537-73-9 appears in our catalog under these names: Pyrimidine–2–carbothioamide, Pyrimidine-2-thiocarboxamide, 97% , Pyrimidine-2-carbothioamide 98%, Pyrimidine-2-carbothioamide, 98%, 98%, Pyrimidine-2-carbothioamide, 98%. Offered by: GLPBio, Thermo Scientific (Alfa Aesar), Ambeed, Chemat, Fluorochem. Available pack sizes: 25g, 5g, 1g, 100g, 10g, 50g.