Supplier Page from Thermo Fisher Scientific for Bromophenol Blue, pure, 0.1% in water
Emodin, 95%, tech from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl 4-chlorobutyrate, 97% from Thermo Fisher Scientific
Ethyl cyanoformate, 99% from Thermo Fisher Scientific