Supplier Page from Thermo Fisher Scientific for Calcium fluoride, Puratronic:r, 99.985% (metals basis)
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyl chloroformate, 99% from Thermo Fisher Scientific
Ethylmercurithiosalicylic acid, sodium salt, 97.0-101.0% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific