Medchemexpress, HY-B1626A 5mg Demecarium Bromide CAS:56-94-0 Demecarium Bromide (BC-48) is a potent cholinesterase inhibitor, with an apparent affinity ( K iapp ) of 0.15 μM [1] . Demecarium Bromide (BC-48) is used as a glaucoma agent [2] . 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.