Supplier Page from Thermo Fisher Scientific for Polystyrene standard, M.W. 50,000, Mw/Mn 1.06
2-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
3-Fluorobenzaldehyde, 98+% from Thermo Fisher Scientific
3-Fluorobenzyl bromide, 95% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific