Supplier Page from Thermo Fisher Scientific for Copper wire, 0.25mm (0.01in) dia, Puratronic:r, 99.9999% (metals basis)
Ergosterol, 98% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl 4-chlorobutyrate, 97% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific