Supplier Page from Thermo Fisher Scientific for Calcium carbonate, Puratronic:r, 99.99% (metals basis)
2-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl 3-chloropropionate, 98% from Thermo Fisher Scientific
Fluoranthene, 98% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific