Supplier Page from Thermo Fisher Scientific for TRIS, 1.0M buffer soln., pH 9.0
4-Ethylaniline, 99+% from Thermo Fisher Scientific
Epichlorohydrin, 99% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific