Acid Phosphatase, from wheat germAcid phosphatase (APase) is a non specific phosphomonoesterase that catalyzes the hydrolysis of monoesters and anhydrides of phosphoric acid to produce inorganic phosphate with pH range 4. 0 7. 0 (optimum activity at pH 5. 7, optimal temperature at 45 C). CAS: 9001 77 8 Enzyme Commission (EC) Number 3. 1. 3. 2 Source: Wheat Germ Molecular weight: ~58 kDa Purity: 90% Form: Lyophilized powder Store: 20C Activity (approx.): 0. 5 U mg solid Unit