CAS 30388-70-6 appears in our catalog under these names: 1-Nitro-2-(2-nitrobenzenesulfinyl)benzene, 95%, 2,2'-Sulfinylbis(nitrobenzene), 97%, 1，1'–sulfinylbis(2–nitrobenzene), Benzene,1,1'-sulfinylbis[2-nitro-, 98%, 98%, 1-NITRO-2-(2-NITROBENZENESULFINYL)BENZENE, 98%. Offered by: Combi-blocks, AmBeed, GLPBio, Chemat, Fluorochem. Available pack sizes: 1g, 250mg, 100mg, 50mg.