Supplier Page from Thermo Fisher Scientific for Esculin hydrate, 97%
Ethyl 2-oxocyclohexanecarboxylate, 95% from Thermo Fisher Scientific
Ethyl acrylate, 99.5%, stabilized from Thermo Fisher Scientific
Ethyl pyruvate, 98% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific