Supplier Page from Thermo Fisher Scientific for Copper(II) chloride hydrate, Puratronic:r, 99.999% (metals basis)
4-Ethylaniline, 99+% from Thermo Fisher Scientific
Ergosterol, 98% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific