Supplier Page from Thermo Fisher Scientific for Sulforhodamine B sodium salt
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific