CAS 2050-66-0 appears in our catalog under these names: Bis(4–chloro–2–nitrophenyl) Disulfide, Bis(4-chloro-2-nitrophenyl) Disulfide, >98.0%(HPLC)(N), 2,2-Dinitro-4,4-Dichlorodiphenyldisufide, 4-Chloro-1-[(4-chloro-2-nitrophenyl)dithio]-2-nitrobenzene, 97%. Offered by: GLPBio, TCI, Chemat, Fluorochem. Available pack sizes: 1g, 5g, 25g.