Supplier Page from Thermo Fisher Scientific for 5(6)-Carboxyfluorescein, mixture of isomers, 97%
4-Fluoroaniline, 98% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, methanesulfonic acid salt, 98% from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific