CAS 1004-76-8 appears in our catalog under these names: 5，6–Diamino–2–thiouracil, 4,5-Diamino-6-hydroxy-2-mercapto pyrimidine, 4,5-Diamino-6-hydroxy-2-mercaptopyrimidine 85%, 4,5-DIAMINO-6-HYDROXY-2-MERCAPTO-, 5,6-Diamino-4-hydroxy-2-mercaptopyrimidine, 85%, 85%. Offered by: GLPBio, Biosynth, Ambeed, Sigma-Aldrich, Chemat. Available pack sizes: 100g, 25g, 5g, 10g, 50g, 1g.