cQrex® GQ

cQrex® GQ (Glycyl-L-glutamine hydrate) is a chemically defined and non-animal-derived peptide designed to overcome the stability challenge associated with L-glutamine in cell culture media.

cQrex® GQ helps to control the glutamine supply and limit detrimental by-products such as ammonia. By enhancing cell productivity, cQrex® GQ supports efficient production of biopharmaceuticals like therapeutic proteins or viral vectors.

Typical Applications

  • Efficient production of biopharmaceuticals

Benefits at a glance

  • Highly stable in cell culture media
  • Reduced formation of toxic by-products like ammonia
  • Enables high antibody titer

Markets & Applications