Supplier Page from Thermo Fisher Scientific for Lead rod, 12.7mm (0.5in) dia, Puratronic:r, 99.9998% (metals basis)
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl picolinate, 99% from Thermo Fisher Scientific
Farnesol, 96%, mixture of isomers from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific