Supplier Page from Thermo Fisher Scientific for Poly(styrene sulfonic acid) sodium salt, M.W. 500,000
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
Ergosterol, 98% from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific
meso-Erythritol, 99% from Thermo Fisher Scientific