Supplier Page from Thermo Fisher Scientific for (Ethylthio)acetic acid, 97%
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethylmercurithiosalicylic acid, sodium salt, 97.0-101.0% from Thermo Fisher Scientific
Farnesol, 96%, mixture of isomers from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific