New England Biolabs is working diligently to ensure we keep our employees and their families safe, while maintaining our business continuity. Despite a "Stay At Home" advisory being put in place in Massachusetts, USA, we are deemed an essential business, and our manufacturing and distribution teams continue to be fully operational. We are continuing to work with our suppliers and distribution partners to ensure uninterrupted access to our products and technical support.

NEB® 5-alpha Competent E. coli (High Efficiency)

Also available in Electrocompetent format.

NEB 5-alpha Competent E. coli is a derivative of the popular DH5α. It is T1 phage resistant and endA deficient for high-quality plasmid preparations. 

  • High efficiency strain ideal for a wide variety of applications
  • Available in a wide variety of sizes, including single-use vials, 200 μl vials, 96- and 384- well plate and 12 x 8 tube strips
  • No dry ice surcharge on competent cell shipments
  • Outgrowth medium included
  • Free of animal products
Learn more about how this product is being used in the Product Citation Tool
Catalog # Concentration Size
C2987I Not Applicable 6 x 0.2 ml/tube
C2987P Not Applicable 1 x 96 well plate (20 µl/well)
C2987H Not Applicable 20 x 0.05 ml/tube
C2987R Not Applicable 1 x 384 well plate (10 µl/well)
C2987U Not Applicable 96 x 50 µl/tube (12 x 8-tube strips)
Please enter a quantity for at least one size

Loading Spinner