Supplier Page from Thermo Fisher Scientific for Zinc sulfate hydrate, Puratronic:r, 99.999% (metals basis)
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
Ergosterol, 98% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific
meso-Erythritol, 99% from Thermo Fisher Scientific