SNX-482 blocks specifically Cav2.3 (a1E, R-type) channels in a voltage dependent manner and is a synthetic compound originally isolated from Hysterocrates gigas. It has also been shown that higher concentrations of SNX-482 block Cav2.1 channels in chromaffin cells. Product Specification MW: 4495 Purity: 98% CAS: 203460-30-4 Shipping: SHIPPED ON BLUE ICE Long Term Storage: -20°C