CAS 56-75-7 appears in our catalog under these names: Chloramphenicol, 98%, Chloramphenicol, Chloramphenicol, >95% (HPLC), Chloramphenicol 10 µg/mL in Acetonitrile, Chloramphenicol 100 µg/mL in Ethyl acetate. Offered by: Combi-blocks, Chemat Brand, TRC, Mikromol, LoGiCal. Available pack sizes: 1g, 25g, 100g, 5g, on request, 10g, 50mg, 500mg.