Supplier Page from Thermo Fisher Scientific for Sodium thiosulfate pentahydrate, 99.999%, (trace metal basis)
Emodin, 95%, tech from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
Iron(III) acetylacetonate, 99+% from Thermo Fisher Scientific