To fully experience the USB web site, please download the free Flash player, available here from Macromedia. If you feel you've reached this page in error, click here to try again.

 

Request the new 2009-10 USB Product Catalog

ExoSAP-IT ranked highest for
customer satisfaction

Save 50% on select nucleotides

Save time and money with our 
Poly(A) Tail-Length Assay Kit
USB, now part of Affymetrix, Inc., is an established supplier of reliable biochemicals and molecular biology products fueling innovation in both basic research and emerging technology areas of the life sciences. USB offers well-known brands such as ExoSAP-IT for PCR Clean-up, FideliTaq, HotStart-IT, Tested User Friendly (TUF) Modifying Enzymes, PrepEase Purification Products, SuperSAP, Shrimp Alkaline Phosphatase, Sequenase™ & Thermo Sequenase Kits; and Ultrapure Biochemicals.