SCGF-b, human Recombinant. SCGF-b, human recombinant, Supports early stages of hematopoiesis, Host: E. Coli, Purity: greater than or equal to 98%(SDS-PAGE), 25.0 kDa polypeptide containing 227 amino acid residues, Synonym: Stem Cell Growth Factor-beta, Storage: -20C, 10ug