Medchemexpress, HY-14483 5mg AF-353 CAS:865305-30-2 AF-353 (Ro-4) is a potent, selective and orally bioavailable P2X3/P2X2/3 receptor antagonist, with a pIC50 of 8.0 for both human and rat P2X3, and with a pIC50 of 7.3 for human P2X2/3[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.