Supplier Page from Thermo Fisher Scientific for 1-Pentanesulfonic acid, sodium salt, 99+%, Ion pair chromatography, anhydrous
2-Ethyl-1,3-hexanediol, 99%, mixture of isomers from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl 3-pyridylacetate, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific