CAS 54029-12-8 appears in our catalog under these names: Albendazole EP Impurity B (Albendazole Sulfoxide, Ricobendazole), Albendazole Sulfoxide, >95% (HPLC), Methyl (5-Propylsulphinyl)-1H-benzimidazol-2-yl)carbamate, Albendazole-sulfoxide, Albendazole-sulfoxide 1000 µg/mL in Acetonitrile:Methanol. Offered by: Chemat Brand, TRC, Mikromol, Dr. Ehrenstorfer, TargetMol. Available pack sizes: on request, 100mg, 10mg, 50mg, 25mg, 1ml, 200mg, 500mg.