Supplier Page from Thermo Fisher Scientific for 2-Cyanoethyl N,N-diisopropylchlorophosphoramidite, 97%
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific