BL21(DE3) Competent E. coli

Having trouble opening your tubes? NEB Tube Opener can help!

BL21 (DE3) Competent E. coli is a widely used T7 expression E. coli strain.

  • Ideal for routine T7 expression
  • Protease deficient B strain
  • 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
C2527I Not Applicable 6 x 0.2 ml/tube
C2527H Not Applicable 20 x 0.05 ml/tube
To find out how to order this product from your current location, click the button below:
International Customer & Order Support
Please enter a quantity for at least one size

Loading Spinner