Medchemexpress, HY-117288A 5mg S55746 (hydrochloride) CAS:1448525-91-4 S55746 hydrochloride (BCL201 hydrochloride) is a potent, orally active and selective BCL-2 inhibitor, with a Ki of 1.3 nM and a Kd of 3.9 nM. S55746 hydrochloride (BCL201 hydrochloride) has antitumor activity with low toxicity. 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.