Medchemexpress, HY-P7042 100ug IL-4 (CHO-expressed), Human CAS: Recombinant Human Interleukin-4 (CHO-expressed) is a CHO cell derived, potent lymphoid cell growth factor, which stimulates the growth and survivability of B-cells and T-cells. 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.