Medchemexpress, HY-P7131 10ug BCA-1/CXCL13, Human CAS: Recombinant Human BCA-1/CXCL13 is identified as an efficacious and selective attractant for B lymphocytes, also acts as a B cell homing chemokine. 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.