Medchemexpress, HY-117153 5mg GW7604 CAS:195611-82-6 GW7604 is an antiestrogen. GW7604 is the metabolite of GW5638, which is a high affinity estrogen receptor (ER) antagonist. 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.