Supplier Page from Thermo Fisher Scientific for Gold powder, spherical, <5 micron, 99.95% (metals basis)
2-Fluorobenzaldehyde, 97% from Thermo Fisher Scientific
Emodin, 95%, tech from Thermo Fisher Scientific
Ethyl butyrylacetate, 98% from Thermo Fisher Scientific
Ethyl chloroformate, 99% from Thermo Fisher Scientific