Supplier Page from Thermo Fisher Scientific for Iron slug, 3.175mm (0.125in) dia x 6.35mm (0.25in) length, 99.95% (metals basis)
1-Fluoro-4-nitrobenzene, 99% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Ethyl 2-mercaptoacetate, 99% from Thermo Fisher Scientific
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific