Support growth of CHO cell culture with Cytiva HyClone powdered CDM4CHO media, a chemically defined media containing no animal derived components (ADCF). HyClone SFM4CHO is a serum-free and protein-free cell culture medium designed for high performance in a variety of culture applications. The medium supports the dihydrofolate reductase (DHFR) selection/amplification system and is available with and without L-glutamine to support the glutamine synthetase (GS) gene expression system. SFM4CHO is available in user-friendly packaging in liquid and powder format.