Supplier Page from Thermo Fisher Scientific for Sodium carbonate, anhydrous, Puratronic:r, 99.997% (metals basis)
2-Ethylaniline, 98% from Thermo Fisher Scientific
4-Ethylphenol, 97% from Thermo Fisher Scientific
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific