CAS 823831-07-8 appears in our catalog under these names: 2-(2-[(5-Amino-1,3,4-thiadiazol-2-yl)thio]ethyl)-1,2-benzisothiazol-3(2H)-one 1,1-dioxide, 95%, 2-(2-((5-Amino-1,3,4-thiadiazol-2-yl)thio)ethyl)benzo(d)isothiazol-3(2H)-one 1,1-dioxide, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 250mg, 10g, 5g, 1g.