Medchemexpress, HY-16500 5mg Tolrestat CAS:82964-04-3 Tolrestat is a potent, orally active aldose reductase inhibitor with IC50 of 35 nM. 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.