Supplier Page from Thermo Fisher Scientific for Thulium(III) chloride hydrate, REacton:r, 99.9% (REO)
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
3-Fluorobenzaldehyde, 98+% from Thermo Fisher Scientific
4-Ethylaniline, 99+% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific