CAI media are tested for sterility in order to confirm no bacteria, yeast or fungi contaminate the solutions. The products undergo further quality control for correct pH, osmolality and lack of endotoxins. A panel of different bioassays affirm the media sustain a proper environment for expected cell-type-specific culture, growth, plating, karyotype, physiology, morphology, viability, population doublings, surface markers, cryopreservation, differentiation and/or induction.