CAS 55981-29-8 appears in our catalog under these names: 2，5–Dibromo–1，3，4–thiadiazole, dibromo-1,3,4-thiadiazole, 2,5-Dibromo-1,3,4-thiadiazole 98%, 2,5-Dibromo-1,3,4-thiadiazole, 98%, 98%, 2,5-DIBROMO-1,3,4-THIADIAZOLE, 95%. Offered by: GLPBio, Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 5g, 25g, 500g, 100mg, 250mg, 1g, 10g, 100g.