WST-1 Cell Proliferation Assay Kit | Cayman Chemical
We collect cookies for vital website function and to better serve our customers. By continuing to browse you agree to the storing of cookies on your device. See our privacy policy for details.

WST-1 Cell Proliferation Assay Kit

Item № 10008883
product image
     96 wells $50.00 0.00
     480 wells $98.00 0.00

Pricing updated 2018-12-11. Prices are subject to change without notice.

  • A colorimetric, non-radioactive assay for assessing cell viability and proliferation
  • Tetrazolium salt, WST-1, is reduced to a soluble purple formazan by trans-plasma membrane electron transport from NADH via an electron mediator
  • Detect 1,000-200,000 cells per well
  • Rapid assay; get results in 2-4 hours

Defining the mechanisms responsible for alterations in cell cycle progression is crucial to understanding many human diseases, most notably cancer. Cell proliferation assays have been widely used to assess cell cycle regulatory factors such as growth factors, cytokines, mitogens, and drugs.1 Cayman’s WST-1 Proliferation Assay Kit provides an easy to use tool for studying the induction and inhibition of cell proliferation in any in vitro model. The assay is based on the reduction of tetrazolium salt WST-1 to soluble formazan by electron transport across the plasma membrane of dividing cells. This kit will also allow investigators to screen drug candidates involved in regulation of cell cycle.

Needed but not supplied: Please download the kit booklet to verify if UltraPure Water (Milli-Q or equivalent) or any other components are needed for this assay.

Recommended Products

Related Products
View Related Product Categories
Technical Information

Warning - this product is not for human or veterinary use.

Shipping & Storage
Wet ice in continental US; may vary elsewhere
≥ 1 year
Downloads & Resources
Product Downloads

Download Kit Booklet

Download Safety Data Sheet (SDS)

Download free InChI Key generation software

Additional Information

View the Cayman Structure Database for chemical structure definitions for many Cayman products

Get Batch-Specific Data and Documents by Batch Number

Provide batch numbers separated by commas to download or request available product inserts, QC sheets, certificates of analysis, data pack, and GC-MS data.

References & Product Citations
Product Description References

1. Francoeur, A.M., and Assalian, A. Microcat: A novel cell proliferation and cytotoxicity assay based on WST-1 Biochemica 3, 19-25 (1996).

Technical Support

All 480 well kits are supplied with a single 500 dtn vial of antiserum and tracer, or Fab' conjugate that must be used within the stated time following reconstitution.

Contact Us
  • Toll Free Phone (USA and Canada Only): (888) 526-5351
  • Direct Phone: (734) 975-3888
Cayman Contract Services

We work with scientists to accelerate their research, drug discovery, and drug development needs through our expertise in the following areas:


View all of our current Promotions

You may be eligible to receive a free sample of WST-1 Cell Proliferation Assay Kit under the Cayman Challenge program.

Cayman Chemical

1180 East Ellsworth Road

Ann Arbor, Michigan 48108 USA

Toll Free: (800) 364-9897

(USA and Canada Only)

Fax: (734) 971-3640