Supplier Page from Thermo Fisher Scientific for Potassium chloride, 99.999%, (trace metal basis)
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Emodin, 95%, tech from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific