Supplier Page from Thermo Fisher Scientific for Methyl Red sodium salt, ACS
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl 2-oxocyclohexanecarboxylate, 95% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific