Supplier Page from Thermo Fisher Scientific for Sodium hydroxide, 5% w/v aq. soln
Ethyl 4-dimethylaminobenzoate, 99+% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Ethyl L(-)-lactate, 97% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific