Medchemexpress, HY-P7144 10ug CD40L, Human CAS: Recombinant Human CD40 Ligand exerts an important role in immune system regulation, including myeloid progenitor cell development. Purity:>98% Medchemexpress has over 10000 novel life-science reagents, reference compounds, APIs and natural compounds for laboratory and scientific use. Other quantity can also be offered.