Supplier Page from Thermo Fisher Scientific for Nigrosine, pure, water soluble, high purity biological stain
D(-)-Ribose, 99+% from Thermo Fisher Scientific
Eicosanoic acid, 98% from Thermo Fisher Scientific
Inosine, 99% from Thermo Fisher Scientific
L(+)-Lysine monohydrochloride, 99% from Thermo Fisher Scientific