Supplier Page from Thermo Fisher Scientific for Silicon lump, 0.1-2.5cm (0.04-1.0in), 99.9999% (metals basis)
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
4-Ethylaniline, 99+% from Thermo Fisher Scientific
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific