Supplier Page from Thermo Fisher Scientific for Chromium pieces, 3-8mm (0.1-0.31in), 99.99% (metals basis)
4-Fluoroaniline, 98% from Thermo Fisher Scientific
Epichlorohydrin, 99% from Thermo Fisher Scientific
Ethyl carbazate, 97% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific