Supplier Page from Thermo Fisher Scientific for Germanium, plasma standard solution, Specpure:r, Ge 1000µg/mL
1-Ethynyl-1-cyclohexanol, 99+% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Emodin, 95%, tech from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific