Supplier Page from Thermo Fisher Scientific for 18-Crown-6, 99%
3-Fluorobenzaldehyde, 98+% from Thermo Fisher Scientific
Ethyl 4-chlorobutyrate, 97% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, tetrasodium salt hydrate, 98%, pure from Thermo Fisher Scientific
N-Ethylaniline, 98% from Thermo Fisher Scientific