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96992

Sigma-Aldrich

Cell Counting Kit - 8

for quantitation of viable cell number in proliferation and cytotoxicity assays

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About This Item

UNSPSC Code:
12352108
NACRES:
NA.32

Quality Level

100

shelf life

limited shelf life, expiry date on the label

shipped in

ambient

storage temp.

2-8°C

Application

Cell Counting Kit-8 (CCK-8) allows convenient assays using WST-8 (2-(2-methoxy-4-nitrophenyl)-3-(4-nitrophenyl)-5-(2,4-disulfophenyl)-2H-tetrazolium, monosodium salt), which produces a water-soluble formazan dye upon bioreduction in the presence of an electron carrier, 1-Methoxy PMS. CCK-8 solution is added directly to the cells, no pre-mixing of components is required. WST-8 is bioreduced by cellular dehydrogenases to an orange formazan product that is soluble in tissue culture medium. The amount of formazan produced is directly proportional to the number of living cells. Since the CCK-8 solution is very stable and it has little cytotoxicity, a longer incubation, such as 24 to 48 hours, is possible.
Cell Counting Kit-8 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, XTT or MTS.

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Product No.
Description
Pricing

Pictograms

Health hazardExclamation mark
GHS08,GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H341,H351

Hazard Classifications

Carc. 2 - Eye Irrit. 2 - Muta. 2 - Skin Irrit. 2

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Tetsuro Masuda et al.
Scientific reports, 5, 9170-9170 (2015-03-17)
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Takashi Nojiri et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(13), 4086-4091 (2015-03-17)
Most patients suffering from cancer die of metastatic disease. Surgical removal of solid tumors is performed as an initial attempt to cure patients; however, surgery is often accompanied with trauma, which can promote early recurrence by provoking detachment of tumor
Xianglong Yi et al.
Molecular vision, 17, 673-679 (2011-03-16)
1,25-Dihydroxyvitamin D(3) [1,25(OH)(2)D(3)] has recently been found to be involved in the development of autoimmune diseases. This study was to investigate the expression and potential role of 1,25(OH)(2)D(3) in the pathogenesis of Vogt-Koyanagi-Harada (VKH) disease. Blood samples were obtained from
Xiao Deng et al.
Scientific reports, 7, 40256-40256 (2017-01-17)
Endothelial dysfunction and monocyte adhesion to vascular endothelial cells are two critical steps in atherosclerosis development, and emerging evidence suggests that protein sialylation is involved in these processes. However, the mechanism underlying this phenomenon remains incompletely elucidated. In this study
Rohit Chugh et al.
Science translational medicine, 4(156), 156ra139-156ra139 (2012-10-19)
Pancreatic cancer is one of the most lethal human malignancies with an all-stage 5-year survival frequency of <5%, which highlights the urgent need for more effective therapeutic strategies. We have previously shown that triptolide, a diterpenoid, is effective against pancreatic
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Cell based assays for cell proliferation (BrdU, MTT, WST1), cell viability and cytotoxicity experiments for applications in cancer, neuroscience and stem cell research.

Cell Viability and Proliferation Assays

Cell based assays for cell proliferation (BrdU, MTT, WST1), cell viability and cytotoxicity experiments for applications in cancer, neuroscience and stem cell research.

Cell Viability and Proliferation Assays

Cell based assays for cell proliferation (BrdU, MTT, WST1), cell viability and cytotoxicity experiments for applications in cancer, neuroscience and stem cell research.

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