CAS 100643-27-4 appears in our catalog under these names: 2,6–Diaminopyrimidin–4–ol, 2,6-Diaminopyrimidin-4-ol, 2,6-Diaminopyrimidin-4-ol 97%, 2，6-Diaminopyrimidin-4-ol, 97%, 97%. Offered by: GLPBio, Biosynth, Ambeed, Chemat. Available pack sizes: 100g, 250g, 500g, 1000g, 25g, 1kg, 5g.