Supplier Page from Thermo Fisher Scientific for Field's Stain A
2-Ethyl-1,3-hexanediol, 99%, mixture of isomers from Thermo Fisher Scientific
4-Bromobutyric acid, 98% from Thermo Fisher Scientific
D(-)-Ribose, 99+% from Thermo Fisher Scientific
Hexyl alcohol, 98%, pure from Thermo Fisher Scientific