Medchemexpress, HY-N6694 1mg 4-Bromo A23187 CAS:76455-48-6 4-Bromo A23187 is a halogenated analog of the highly selective calcium ionophore A-23187. 4-Bromo A23187,a calcium modulator, induces apoptosis in different cells, including HL-60 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.