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Support >  Applications >  Cell_Biology >  Measure_Cell_Proliferation

PCR directly from the source and save time!

Premixed WST-1 Reagent - Easy, Colorimetric Test for Cell Growth

Use Premixed WST-1 to measure cell proliferation and viability, or to measure cytotoxicity and growth inhibition. A mitochondrial enzyme in viable cells converts WST-1 to a dye…simply measure its absorbance.
  • When cells are proliferating, dye accumulates.
  • When cells are not proliferating, dye levels drop.

Why use the Premixed WST-1 Reagent?

  • Save time. No harvesting or washing. Get results in 1 hr.
  • Save reagents. Premixed WST-1 lasts two weeks at 4°C, or one year at –20°C. Other WST-1 reagents last just three days at 4°C or one month at –20°C.
  • Save money. Our prices beat the competition.
Supplier Price # of Rxns Cost per rxn
Clontech $316.00 2,500 $0.13
Competitor A $100.00 96 $1.04
Competitor BP $400.00 1,000 $0.40
Competitor BT $276.00 1,000 $0.28
Competitor D $260.00 500 $0.52
Competitor G $153.00 500 $0.31
Competitor M $209.00 500 $0.42

Very Simple Protocol

Using the Premixed WST-1 Cell Proliferation Reagent is very simple. Know if your cells are proliferating in just 1 hour:


Visit the Documents tab of the Premixed WST-1 Cell Proliferation Reagent product page to download the User Manual and other documentation.

Premixed WST-1

Premixed WST-1 was used to measure the cytotoxic effects of TNF-alpha on the mouse fibrosarcoma cell line WEHI-164.

Cat. # Product Contents Size Price Units Select
MK400 Premix WST-1 Cell Proliferation Assay System 2,500 Tests $345.00


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