Supplier Page from Thermo Fisher Scientific for 1,2-Phenylenediacetic acid, 99%
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, tetrasodium salt hydrate, 98%, pure from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific
N-Ethylaniline, 98% from Thermo Fisher Scientific