Medchemexpress, HY-B0267A 100mg Oxybutynin (chloride) CAS:1508-65-2 Oxybutynin chloride is an anticholinergic agent, which inhibits vascular Kv channels in a concentration-dependent manner, with an IC50 of 11.51 μM. 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.