CAS 66168-50-1 appears in our catalog under these names: N-Hydroxy-1-oxy-isonicotinamidine 97%, N-HYDROXY-1-OXY-ISONICOTINAMIDINE, 97%, N-Hydroxy-1-oxy-isonicotinamidine, 97%, 97%. Offered by: Ambeed, Fluorochem, Chemat. Available pack sizes: 250mg, 1g, 5g.