Supplier Page from Thermo Fisher Scientific for o-Phthaloyl dichloride, 90%, remainder mainly phthalic acid
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific