Supplier Page from Thermo Fisher Scientific for Sodium phosphate, 0.5M buffer soln., pH 7.0
2-Ethylaniline, 98% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Ethyl 2-oxocyclohexanecarboxylate, 95% from Thermo Fisher Scientific
Ethyl bromopyruvate, 80-85% from Thermo Fisher Scientific