Supplier Page from Thermo Fisher Scientific for Amidosulfonic acid, ACS, 99.3-100.3% (Assay dried basis)
2-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
4-Fluoroanisole, 99% from Thermo Fisher Scientific
Ergosterol, 98% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific