CAS 142246-48-8 appears in our catalog under these names: 4-Chloro-7-chlorosulfonyl-2,1,3-benzoxadiazole, 95%, 4-Chloro-7-chlorosulfonyl-2,1,3-benzoxadiazole (Bifunctional Fluorescent Reagent), 98%, 4–Chloro–7–chlorosulfonyl–2,1,3–benzoxadiazole, 4-Chloro-7-chlorosulfonyl-2,1,3-benzoxadiazole [Bifunctional Fluorescent Reagent], >97.0%(T), 4-Chloro-7-chlorosulfonyl-2,1,3-benzoxadiazole. Offered by: Combi-blocks, AmBeed, GLPBio, TCI, Biosynth. Available pack sizes: 250mg, 5g, 1g, 2,5g.