Cell Counting Kit 8 product with CAT#CK04 from Dojindo Laboratories

Cell Counting Kit-8 (CCK-8) allows convenient assays using WST-8 to produce a water-soluble formazan dye upon bioreduction in the presence of an electron carrier, 1-Methoxy PMS. Since CCK-8 solution is very stable and it has little cytotoxicity, a longer incubation is applicable.

As a well-known product, Cell Counting Kit-8 (CCK-8) Dojindo with CAT#CK04 has been widely used all around the world. It allows sensitive colorimetric assays for the determination of the number of viable cells in the proliferation and cytotoxicity assays. The detection sensitivity is higher than any other tetrazolium salts such as MTT, WST or MTS.

CCK-8 Vendor Cat # Size
Cell Counting Kit 8 with Item # CK4 CK04 100/ 500/ 1000/ 3000/ 10000 tests
CCK-8 (# CK4) competitor from Abbkine  KTC011001 100/ 500/ 2000/ 10000  tests

Note: Each test is for one well of samples in 98 plates,which means 10 μl of CCK-8 solution for one test.

You may check size and price of CCK-8 with item # CK04 from their online store. Lead time of this product is calculated based on production, payment method, destination, and your shipping option.


The handling time of Cell Counting Kit-8 is the shortest among its competitors. Only 15 minutes of handling time is needed for Cell Counting Kit-8, whereas longer handling time is required for both MTS and MTT assay. It only takes 3 simple steps to complete whole cell assay. And this product is for research use only.