Cell Freezing Medium is designed for the cryopreservation of most human and animal cells in vitro. It is sterile and has a pH of 7.2 at room temperature. This product contains DMSO, Fetal Bovine Serum and other intra- and extra-cellular protectants to further increase the viability of cells during the cryopreservation process. This product is for research use only. It is not approved for human or animal use, or for application in in vitro diagnostic procedures.