CryoStor CS5, 100mL Bag

A serum-free, defined cryopreservation medium pre-formulated with 5% DMSO, developed by STEMCELL Technologies for the long-term storage of cells used in cell therapy and regenerative medicine workflows. CryoStor CS5 supports high post-thaw viability across a range of cell types including hematopoietic stem cells, T cells, mesenchymal stromal cells, and induced pluripotent stem cell cultures, and is manufactured under cGMP to meet the documentation and quality requirements of clinical cell banking programs.

The 100 mL bag format supports closed-system aseptic processing, reducing open-manipulation steps during fill-and-finish of cell suspensions. The medium combines 5% DMSO with a defined cryoprotectant base and is free of animal-derived components, which simplifies regulatory submissions and supports xeno-free workflows. Each lot is tested for sterility, endotoxin, and mycoplasma, and the bag is compatible with standard sterile weld and tubing-seal operations used in cell therapy manufacturing suites.

For optimal cryopreservation performance, refrigerate the medium before use and keep cell suspensions chilled on wet ice during processing. After controlled-rate freezing or direct transfer to vapor-phase liquid nitrogen, vials remain stable in long-term cryogenic storage. The product ships with a defined shelf life; avoid repeated freeze-thaw cycles and protect from light to preserve formulation integrity throughout routine research use.