CAS 7778-74-7 appears in our catalog under these names: Potassium perchlorate, 99% , Potassium perchlorate, anhydrous, ACS, 99.0-100.5% , Potassium Perchlorate, >98.0%(T), Potassium perchlorate, 99+%, for analysis, Potassium perchlorate, ACS reagent. Offered by: Thermo Scientific (Alfa Aesar), TCI, Thermo Scientific (Acros), Chempur, Sigma-Aldrich. Available pack sizes: 2500g, 100g, 500g, 25g, 1KG, 2.5KG, 10g, 50g.