Catalase (Aspergillus niger)

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High purity catalase (Aspergillus niger) for use in research, biochemical enzyme assays and in vitro diagnostic analysis.

EC 1.11.1.16
CAS: 9001-05-2 

catalase; hydrogen-peroxide:hydrogen-peroxide oxidoreductase

Highly purified. From Aspergillus niger.
In 3.2 M ammonium sulphate.
Supplied at ~ 18,000 U/mL.

Specific activity: 
~ 4,960 U/mg protein (using A240 method) at pH 7.0 and 25oC.

Stability: > 2 years at 4oC.

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E-CATLQ
400,000 U at 25oC
$208.00

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DESCRIPTION

Catalase (Aspergillus niger)

EC 1.11.1.16
CAS: 9001-05-2

Synonyms:
catalase; hydrogen-peroxide:hydrogen-peroxide oxidoreductase

Form:
In 3.2 M ammonium sulphate.
Supplied at ~ 18,000 U/mL.

Stability: 
> 2 years at 4oC.

Specific activity:
~ 4,960 U/mg protein (using A240 method) at pH 7.0 and 25oC.

Unit definition:
One Unit of catalase activity will decompose 1 micromole of H2O2 per minute at pH 7.0 and 25oC, while the H2O2 concentration falls from 10.3 mM to 9.2 mM. The rate of disappearance of H2O2 is followed by observing the rate of decrease in the absorbance at
240 nm (A240).

Specificity:
Decomposition of hydrogen peroxide into water and oxygen.

Applications:
For use in research.

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