Supplier Page from Thermo Fisher Scientific for Copper slug, 3.175mm (0.125in) dia x 3.175mm (0.125in) length, 99.995% (metals basis)
4-Fluorobenzyl chloride, 98% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Ethyl 4-bromocrotonate, 75%, tech from Thermo Fisher Scientific
Ethyl N-piperazinecarboxylate, 99% from Thermo Fisher Scientific