SCF is a hematopoietic growth factor that exerts its activity during the early stages of hematopoiesis. SCF stimulates the proliferation of myeloid, erythroid, and lymphoid progenitors in bone marrow cultures and has been shown to act synergistically with colony stimulating factors.SCF, P. Pichia Derived, human, is a single, glycosylated polypeptide chain containing 165 amino acids and having a molecular mass of ~20 KDa. Synonym: Stem Cell Factor (SCF), human 7. Formulation: Lyophilized from 10 mM Acetic acid.