Supplier Page from Thermo Fisher Scientific for Aluminum slug, 3.175mm (0.125in) dia x 6.35mm (0.25in) length, 99.99% (metals basis)
4-Ethylaniline, 99+% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific