Supplier Page from Thermo Fisher Scientific for Vanadium granules, 1-3mm (0.04-0.12in), Vacuum Deposition Grade, 99.7% (metals basis)
Ethyl 4-chlorobutyrate, 97% from Thermo Fisher Scientific
Ethyl chloroformate, 99% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific