Supplier Page from Thermo Fisher Scientific for Zinc chloride hydrate, 99.99% (metals basis)
2-Ethylaniline, 98% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethanethiol, 99+% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific