Supplier Page from Thermo Fisher Scientific for 2,3-Dibromobutyric acid, 97%
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ergosterol, 98% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, tetrasodium salt hydrate, 98%, pure from Thermo Fisher Scientific