ProCHO 4 Protein-free CHO Medium is developed specifically to facilitate the production and downstream processing of recombinant proteins expressed in CHO cells These protein-free formulations support high-density cultures without the need for animal derived components Very low levels of recombinant insulin facilitate both downstream purification and regulatory compliance ProCHO 4 Protein-free CHO Medium - For concurrent transition of adherent CHO cells to serum-free and suspension culture Supports faster doubling times Cat No BEBP12-029Q an FFM medium contains phenol red and 0 1% Pluronic F-68 Does not contain L-glutamine hypoxanthine or thymidine ProCHO 4 Protein-free CHO Medium can be used in fed-batch cell culture with feeds like eCHO Feed PowerFeed A and CHO Xtreme Feed