Medchemexpress, HY-19822A 1mg Elacestrant (dihydrochloride) CAS:1349723-93-8 Elacestrant dihydrochloride (RAD1901 dihydrochloride) is an orally available selective estrogen receptor degrader (SERD) with IC50s of 48 and 870 nM for ERα and ERβ, respectively. 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.