Supplier Page from Thermo Fisher Scientific for Phosphate-buffered saline (PBS, 10X), pH 7.4
4-Ethylaniline, 99+% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, 99+% from Thermo Fisher Scientific
Ethyl 4-dimethylaminobenzoate, 99+% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, tetrasodium salt hydrate, 98%, pure from Thermo Fisher Scientific