Copper Sulfate ; SYNONYMS Blue Vitriol; Blue Copper; Blue stone; copperfine-zinc; Copper(II) sulfate pentahydrate; Sulfuric acid copper(2+) salt (1:1) pentahydrate; Cupric sulfate pentahydrate;  CAS NO. 7758-98-7 (Anhydrous), 7758-99-8 (pentahydrate);Copper Sulfate; Blue Vitriol; Blue Copper; Blue stone; copperfine-zinc; Copper(II) sulfate pentahydrate; Sulfuric acid copper(2+) salt (1:1) pentahydrate; Cupric sulfate pentahydrate; Kupfersulfat Pentahydrat; Kupfervitriol; Sulfato De Cobre Pentahidratado; Copper monosulfate; Sulfate de cuivre 

cas no: 7758-99-8