B 1999 Bovine serum albumin, heat shock fraction, protease free, fatty acid free, essentially globulin free, pH 7, ≥98% Cas no 9048-46-8 - used as a constituent of the medium used for the differentiation of human pluripotent stem cells in enzyme-linked immunosorbent assay (ELISA) and sandwich ELISA. B 1999 Bovine serum albumin, heat shock fraction, protease free, fatty acid free, essentially globulin free, pH 7, ≥98% Cas no 9048-46-8 - used to permeabilize fetal cortical cells.