CAS 22819-10-9 appears in our catalog under these names: 2H,2'H-3,3'-Bi-1,2,4-triazole-5,5'-diamine, 95%, 1H,1'H-(3,3'-Bi(1,2,4-triazole))-5,5'-diamine, 97%, 5,5′–Diamino–3,3′–bis–1,2,4–triazole, 1H,1'H-[3,3'-Bi(1,2,4-triazole)]-5,5'-diamine, 97%, 97%, 2H,2'H-3,3'-bi-1,2,4-triazole-5,5'-diamine, 98%. Offered by: Combi-blocks, AmBeed, GLPBio, Chemat, Fluorochem. Available pack sizes: 250mg, 1g, 100mg, 5g.