Supplier Page from Thermo Fisher Scientific for Sodium carbonate, ACS primary standard, 99.95-100.05% (dried basis)
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
2-Fluoroaniline, 99+% from Thermo Fisher Scientific
Emodin, 95%, tech from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific