Supplier Page from Thermo Fisher Scientific for Silica gel, HPLC/UHPLC grade, spherical, 1.6 micron APS, 110 angstroms, 99.99+%
2-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
4-Ethylphenol, 97% from Thermo Fisher Scientific
Ethyl 2-hydroxyethyl sulfide, 98% from Thermo Fisher Scientific