Supplier Page from Thermo Fisher Scientific for Ammonia, ca. 7N solution in methanol, AcroSeal®
Ethyl 2-oxocyclohexanecarboxylate, 95% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Ethylene glycol dimethyl ether, 99+%, extra pure, stabilized with BHT from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific