Supplier Page from Thermo Fisher Scientific for Calcium carbonate, Puratronic:r, 99.99% (metals basis)
1-Fluoro-2-nitrobenzene, 99% from Thermo Fisher Scientific
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
4-Ethylaniline, 99+% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific