CAS 118876-58-7 appears in our catalog under these names: 6-Nitro-7-sulfamoylbenzo(f)quinoxaline-2,3-Dione, >95% (HPLC), NBQX, NBQX/ 99.42% (existing batch purity), NBQX, >92.0%(HPLC)(qNMR), NBQX, 98+%. Offered by: TRC, GLPBio, TargetMol, Biosynth, TCI. Available pack sizes: 100mg, 10mg, 25mg, 1mg, 5mg, 10mM (in 1ml dmso), 50mg, 200mg.