Supplier Page from Thermo Fisher Scientific for Paraformaldehyde, 96%, extra pure
4-Ethylaniline, 99+% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, tetrasodium salt hydrate, 98%, pure from Thermo Fisher Scientific
Flavone, 99+% from Thermo Fisher Scientific