Supplier Page from Thermo Fisher Scientific for Silica gel, C8-RP, 12%C, ca. 1.2 mmol/g, part. size 40-63 micron
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
4-Fluoroaniline, 98% from Thermo Fisher Scientific
Ethyl butyrylacetate, 98% from Thermo Fisher Scientific
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific