Supplier Page from Thermo Fisher Scientific for Copper slug, 6.35mm (0.25in) dia x 6.35mm (0.25in) length, Puratronic:r, 99.9999% (metals basis)
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Ethyl 2-hydroxyethyl sulfide, 98% from Thermo Fisher Scientific
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific
N-Ethylaniline, 98% from Thermo Fisher Scientific