CAS 40769-69-5 appears in our catalog under these names: 2,5–Diamino–4,6–dihydroxy–pyrimidine, 2,5-Diaminopyrimidine-4,6-diol, 2,5-diamino-6-hydroxy-3,4-dihydropyrimidin-4-one, 98%+,RG. Offered by: GLPBio, Chemat, Fluorochem. Available pack sizes: 1g, 250mg, 5g, 25g.