Supplier Page from Thermo Fisher Scientific for Vanadium slug, 3.175mm (0.125in) dia x 3.175mm (0.125in) length, 99.8% (metals basis)
Ethyl 2-hydroxyethyl sulfide, 98% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific