EC number: EC 1.11.1.6

CAS number: 9001-05-2

/ˈkætlˌeɪs/

noun

A common enzyme found in many organisms which catalyzes the reaction:  2H₂O₂ → 2H₂O + O₂ . Catalase is therefore plays a very important role in protecting the cell from reactive oxygen species. This enzyme can also be easily tested for (see catalase test.)

Greek, from katálȳsis & ase