CAS 6345-29-5 appears in our catalog under these names: N''-Hydroxyguanidine acetate, 95%, Hydroxyguanidine Sulfate, >95% (HPLC), Hydroxyguanidine sulfate , 1-Hydroxyguanidine sulfate 95%, 1-Hydroxyguanidine (sulfate). Offered by: Combi-blocks, TRC, Thermo Scientific (Alfa Aesar), Ambeed, MedChemExpress. Available pack sizes: 250mg, 1g, 500mg, 50mg, 100mg, 50 mg, 100 mg, 500 mg.