Supplier Page from Thermo Fisher Scientific for 5-Carboxyfluorescein, single isomer, 97%
Diethyl carbonate, 99% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Methyl 4-chlorobutyrate, 98+% from Thermo Fisher Scientific
Oxytetracycline dihydrate, 95% from Thermo Fisher Scientific