Caspase 3 Assay Kit, Colorimetric


Quality Level


sufficient for 1,000 multiwell tests (in 96-well multiwell plates)
sufficient for 100 standard tests (1 ml)

shipped in

dry ice

storage temp.


Gene Information

human ... CASP3(836)

General description

Caspase 3 Colorimetric Assay Kit provides the reagents needed for a quick and efficient detection of caspase 3 activity in cell lysates and in purified preparations of caspase 3.

The Caspase 3 Colorimetric Assay Kit is based on the hydrolysis of acetyl-Asp-Glu-Val-Asp p-nitroanilide (Ac-DEVD-pNA) by caspase 3, resulting in the release of the p-nitroaniline (pNA) moiety. p-Nitroaniline is detected at 405 nm (εmM=10.5). The concentration of the pNA released from the substrate is calculated from either the absorbance values at 405 nm or from a calibration curve prepared with pNA standards (pNA standard included with the kit).


The assay can be performed in 1 mL volume and measured using a spectrophotometer or in 100 ìl volume in a 96 well plate using an ELISA reader.

Unit Definition

One unit of caspase 3 will cleave 1.0 μmol of Ac-DEVD-pNA per min at pH 7.4 at 25 °C.

Other Notes

Use 17 megohm water only

Kit Components Only

Product No.

  • Water (17-18 megaOhm) 125 mL

Kit Components Also Available Separately

Product No.

  • A0835Ac-DEVD-CHO inhibitor .5 mg

  • A2559Ac-DEVD-pNA substrate 15 mg

  • p-Nitroaniline standard 1 mg


Skull and crossbonesHealth hazard

Signal Word



UN 3316 9

Flash Point(F)

415.4 °F - closed cup

Flash Point(C)

213 °C - closed cup

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