Supplier Page from Thermo Fisher Scientific for 1-Octadecanethiol, 96%
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Ethyl oxamate, 99% from Thermo Fisher Scientific
Ethylmercurithiosalicylic acid, sodium salt, 97.0-101.0% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific