Supplier Page from Thermo Fisher Scientific for (µ+)-1-Amino-2-propanol, 94%, remainder 2-amino-1-propanol
Ergosterol, 98% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl 4-dimethylaminobenzoate, 99+% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific