Supplier Page from Thermo Fisher Scientific for Ground & Waste Water Pollution Standard Solution 5, Specpure:r
Esculin hydrate, 97% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Ethyl bromopyruvate, 80-85% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific