Supplier Page from Thermo Fisher Scientific for Tungsten wire, 1.25mm (0.049in) dia, 99.95% (metals basis)
1,2-Ethanedithiol, 95% from Thermo Fisher Scientific
Epichlorohydrin, 99% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Ethyl cyanoformate, 99% from Thermo Fisher Scientific