CAS 553-08-2 appears in our catalog under these names: Thonzonium Bromide, >95% (HPLC), Thonzonium Bromide/ 98.93% (existing batch purity), Thonzonium Bromide, Thonzonium bromide, 98.00%, Thonzonium bromide 98%. Offered by: TRC, TargetMol, GLPBio, Chemat, Ambeed. Available pack sizes: 100mg, 1g, 250mg, 5mg, 10mg, 25mg, 50mg, 500mg.